diff --git a/app/soapbox/actions/soapbox.js b/app/soapbox/actions/soapbox.js
index cc266aeb3..03814cf7c 100644
--- a/app/soapbox/actions/soapbox.js
+++ b/app/soapbox/actions/soapbox.js
@@ -60,6 +60,8 @@ export const makeDefaultConfig = features => {
     }),
     aboutPages: ImmutableMap(),
     authenticatedProfile: true,
+    singleUserMode: false,
+    singleUserModeProfile: '',
   });
 };
 
diff --git a/app/soapbox/containers/soapbox.js b/app/soapbox/containers/soapbox.js
index c08e643a6..19b218877 100644
--- a/app/soapbox/containers/soapbox.js
+++ b/app/soapbox/containers/soapbox.js
@@ -6,7 +6,7 @@ import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import { IntlProvider } from 'react-intl';
 import { Provider, connect } from 'react-redux';
-import { Switch, BrowserRouter, Route } from 'react-router-dom';
+import { BrowserRouter, Switch, Redirect, Route } from 'react-router-dom';
 import { ScrollContext } from 'react-router-scroll-4';
 
 // import Introduction from '../features/introduction';
@@ -66,6 +66,8 @@ const mapStateToProps = (state) => {
   const brandColor = settings.get('demo') ? '#0482d8' : soapboxConfig.get('brandColor');
   const accentColor = settings.get('demo') ? null : soapboxConfig.get('accentColor');
 
+  const singleUserMode = soapboxConfig.get('singleUserMode') && soapboxConfig.get('singleUserModeProfile');
+
   return {
     showIntroduction,
     me,
@@ -81,6 +83,7 @@ const mapStateToProps = (state) => {
     themeMode: settings.get('themeMode'),
     halloween: settings.get('halloween'),
     customCss: settings.get('demo') ? null : soapboxConfig.get('customCss'),
+    singleUserMode,
   };
 };
 
@@ -103,6 +106,7 @@ class SoapboxMount extends React.PureComponent {
     customCss: ImmutablePropTypes.list,
     halloween: PropTypes.bool,
     dispatch: PropTypes.func,
+    singleUserMode: PropTypes.string,
   };
 
   state = {
@@ -135,7 +139,7 @@ class SoapboxMount extends React.PureComponent {
   }
 
   render() {
-    const { me, instanceLoaded, themeCss, locale, customCss } = this.props;
+    const { me, instanceLoaded, themeCss, locale, customCss, singleUserMode } = this.props;
     if (me === null) return null;
     if (!instanceLoaded) return null;
     if (this.state.localeLoading) return null;
@@ -171,7 +175,9 @@ class SoapboxMount extends React.PureComponent {
               </Helmet>
               <ScrollContext shouldUpdateScroll={this.shouldUpdateScroll}>
                 <Switch>
-                  {!me && <Route exact path='/' component={PublicLayout} />}
+                  {!me && (singleUserMode
+                    ? <Redirect exact from='/' to={`/${singleUserMode}`} />
+                    : <Route exact path='/' component={PublicLayout} />)}
                   <Route exact path='/about/:slug?' component={PublicLayout} />
                   <Route path='/' component={UI} />
                 </Switch>
diff --git a/app/soapbox/features/soapbox_config/index.js b/app/soapbox/features/soapbox_config/index.js
index 1b3fb51d3..84d80eea3 100644
--- a/app/soapbox/features/soapbox_config/index.js
+++ b/app/soapbox/features/soapbox_config/index.js
@@ -56,6 +56,10 @@ const messages = defineMessages({
   promoPanelIconsLink: { id: 'soapbox_config.hints.promo_panel_icons.link', defaultMessage: 'Soapbox Icons List' },
   authenticatedProfileLabel: { id: 'soapbox_config.authenticated_profile_label', defaultMessage: 'Profiles require authentication' },
   authenticatedProfileHint: { id: 'soapbox_config.authenticated_profile_hint', defaultMessage: 'Users must be logged-in to view replies and media on user profiles.' },
+  singleUserModeLabel: { id: 'soapbox_config.single_user_mode_label', defaultMessage: 'Single user mode' },
+  singleUserModeHint: { id: 'soapbox_config.single_user_mode_hint', defaultMessage: 'Front page will redirect to a given user profile.' },
+  singleUserModeProfileLabel: { id: 'soapbox_config.single_user_mode_profile_label', defaultMessage: 'Main user handle' },
+  singleUserModeProfileHint: { id: 'soapbox_config.single_user_mode_profile_hint', defaultMessage: '@handle' },
 });
 
 const listenerOptions = supportsPassiveEvents ? { passive: true } : false;
@@ -297,6 +301,22 @@ class SoapboxConfig extends ImmutablePureComponent {
                 checked={soapbox.get('authenticatedProfile') === true}
                 onChange={this.handleChange(['authenticatedProfile'], (e) => e.target.checked)}
               />
+              <Checkbox
+                name='singleUserMode'
+                label={intl.formatMessage(messages.singleUserModeLabel)}
+                hint={intl.formatMessage(messages.singleUserModeHint)}
+                checked={soapbox.get('singleUserMode') === true}
+                onChange={this.handleChange(['singleUserMode'], (e) => e.target.checked)}
+              />
+              {soapbox.get('singleUserMode') && (
+                <TextInput
+                  name='singleUserModeProfile'
+                  label={intl.formatMessage(messages.singleUserModeProfileLabel)}
+                  placeholder={intl.formatMessage(messages.singleUserModeProfileHint)}
+                  value={soapbox.get('singleUserModeProfile')}
+                  onChange={this.handleChange(['singleUserModeProfile'], (e) => e.target.value)}
+                />
+              )}
             </FieldsGroup>
             <FieldsGroup>
               <div className='input with_block_label popup'>
diff --git a/app/soapbox/features/ui/components/sign_up_panel.js b/app/soapbox/features/ui/components/sign_up_panel.js
index cee57bb0d..49410affa 100644
--- a/app/soapbox/features/ui/components/sign_up_panel.js
+++ b/app/soapbox/features/ui/components/sign_up_panel.js
@@ -3,17 +3,21 @@ import React from 'react';
 import { FormattedMessage, injectIntl } from 'react-intl';
 import { connect } from 'react-redux';
 
+import { getSoapboxConfig } from 'soapbox/actions/soapbox';
 import SoapboxPropTypes from 'soapbox/utils/soapbox_prop_types';
 
 const mapStateToProps = state => {
+  const soapboxConfig = getSoapboxConfig(state);
+
   return {
     siteTitle: state.getIn(['instance', 'title']),
     me: state.get('me'),
+    singleUserMode: soapboxConfig.get('singleUserMode'),
   };
 };
 
-const SignUpPanel = ({ siteTitle, me }) => {
-  if (me) return null;
+const SignUpPanel = ({ siteTitle, me, singleUserMode }) => {
+  if (me || singleUserMode) return null;
 
   return (
     <div className='wtf-panel'>
@@ -39,6 +43,7 @@ const SignUpPanel = ({ siteTitle, me }) => {
 SignUpPanel.propTypes = {
   siteTitle: PropTypes.string,
   me: SoapboxPropTypes.me,
+  singleUserMode: PropTypes.bool,
 };
 
 export default injectIntl(connect(mapStateToProps)(SignUpPanel));
diff --git a/app/soapbox/features/ui/components/tabs_bar.js b/app/soapbox/features/ui/components/tabs_bar.js
index 70f7fbd26..26731c95f 100644
--- a/app/soapbox/features/ui/components/tabs_bar.js
+++ b/app/soapbox/features/ui/components/tabs_bar.js
@@ -38,6 +38,7 @@ class TabsBar extends React.PureComponent {
     dashboardCount: PropTypes.number,
     notificationCount: PropTypes.number,
     chatsCount: PropTypes.number,
+    singleUserMode: PropTypes.bool,
   }
 
   state = {
@@ -67,7 +68,7 @@ class TabsBar extends React.PureComponent {
   }
 
   render() {
-    const { intl, account, logo, onOpenCompose, onOpenSidebar, features, dashboardCount, notificationCount, chatsCount } = this.props;
+    const { intl, account, logo, onOpenCompose, onOpenSidebar, features, dashboardCount, notificationCount, chatsCount, singleUserMode } = this.props;
     const { collapsed } = this.state;
     const showLinks = this.shouldShowLinks();
 
@@ -151,9 +152,11 @@ class TabsBar extends React.PureComponent {
                 <Link className='tabs-bar__button button' to='/auth/sign_in'>
                   <FormattedMessage id='account.login' defaultMessage='Log In' />
                 </Link>
-                <Link className='tabs-bar__button button button-alternative-2' to='/'>
-                  <FormattedMessage id='account.register' defaultMessage='Sign up' />
-                </Link>
+                {!singleUserMode && (
+                  <Link className='tabs-bar__button button button-alternative-2' to='/'>
+                    <FormattedMessage id='account.register' defaultMessage='Sign up' />
+                  </Link>
+                )}
               </div>
             )}
           </div>
@@ -170,6 +173,7 @@ const mapStateToProps = state => {
   const approvalCount = state.getIn(['admin', 'awaitingApproval']).count();
   const instance = state.get('instance');
   const settings = getSettings(state);
+  const soapboxConfig = getSoapboxConfig(state);
 
   // In demo mode, use the Soapbox logo
   const logo = settings.get('demo') ? require('images/soapbox-logo.svg') : getSoapboxConfig(state).get('logo');
@@ -181,6 +185,7 @@ const mapStateToProps = state => {
     notificationCount: state.getIn(['notifications', 'unread']),
     chatsCount: state.getIn(['chats', 'items']).reduce((acc, curr) => acc + Math.min(curr.get('unread', 0), 1), 0),
     dashboardCount: reportsCount + approvalCount,
+    singleUserMode: soapboxConfig.get('singleUserMode'),
   };
 };
 
diff --git a/app/soapbox/features/ui/components/unauthorized_modal.js b/app/soapbox/features/ui/components/unauthorized_modal.js
index be54a6bec..590b73d2d 100644
--- a/app/soapbox/features/ui/components/unauthorized_modal.js
+++ b/app/soapbox/features/ui/components/unauthorized_modal.js
@@ -7,6 +7,7 @@ import { Link } from 'react-router-dom';
 
 import { remoteInteraction } from 'soapbox/actions/interactions';
 import snackbar from 'soapbox/actions/snackbar';
+import { getSoapboxConfig } from 'soapbox/actions/soapbox';
 import IconButton from 'soapbox/components/icon_button';
 import { getFeatures } from 'soapbox/utils/features';
 
@@ -19,12 +20,14 @@ const messages = defineMessages({
 const mapStateToProps = (state, props) => {
   const instance = state.get('instance');
   const features = getFeatures(instance);
+  const soapboxConfig = getSoapboxConfig(state);
 
   if (props.action !== 'FOLLOW') {
     return {
       features,
       siteTitle: state.getIn(['instance', 'title']),
       remoteInteractionsAPI: features.remoteInteractionsAPI,
+      singleUserMode: soapboxConfig.get('singleUserMode'),
     };
   }
 
@@ -35,6 +38,7 @@ const mapStateToProps = (state, props) => {
     siteTitle: state.getIn(['instance', 'title']),
     userName,
     remoteInteractionsAPI: features.remoteInteractionsAPI,
+    singleUserMode: soapboxConfig.get('singleUserMode'),
   };
 };
 
@@ -53,6 +57,7 @@ class UnauthorizedModal extends ImmutablePureComponent {
     onClose: PropTypes.func.isRequired,
     onRemoteInteraction: PropTypes.func.isRequired,
     userName: PropTypes.string,
+    singleUserMode: PropTypes.bool,
   };
 
   state = {
@@ -86,7 +91,7 @@ class UnauthorizedModal extends ImmutablePureComponent {
   }
 
   renderRemoteInteractions() {
-    const { intl, siteTitle, userName, action } = this.props;
+    const { intl, siteTitle, userName, action, singleUserMode } = this.props;
     const { account } = this.state;
 
     let header;
@@ -134,10 +139,14 @@ class UnauthorizedModal extends ImmutablePureComponent {
               <FormattedMessage id='remote_interaction.divider' defaultMessage='or' />
             </span>
           </div>
-          <h3 className='compose-modal__header__title'><FormattedMessage id='unauthorized_modal.title' defaultMessage='Sign up for {site_title}' values={{ site_title: siteTitle }} /></h3>
-          <Link to='/' className='unauthorized-modal-content__button button' onClick={this.onClickClose}>
-            <FormattedMessage id='account.register' defaultMessage='Sign up' />
-          </Link>
+          {!singleUserMode && (
+            <>
+              <h3 className='compose-modal__header__title'><FormattedMessage id='unauthorized_modal.title' defaultMessage='Sign up for {site_title}' values={{ site_title: siteTitle }} /></h3>
+              <Link to='/' className='unauthorized-modal-content__button button' onClick={this.onClickClose}>
+                <FormattedMessage id='account.register' defaultMessage='Sign up' />
+              </Link>
+            </>
+          )}
           <Link to='/auth/sign_in' className='unauthorized-modal-content__button button button-secondary' onClick={this.onClickClose}>
             <FormattedMessage id='account.login' defaultMessage='Log in' />
           </Link>