diff --git a/etc/inc/disable-programs.inc b/etc/inc/disable-programs.inc
index b52bcaa11..698ee7eca 100644
--- a/etc/inc/disable-programs.inc
+++ b/etc/inc/disable-programs.inc
@@ -876,6 +876,7 @@ blacklist ${HOME}/.local/share/caja-python
 blacklist ${HOME}/.local/share/calligragemini
 blacklist ${HOME}/.local/share/cantata
 blacklist ${HOME}/.local/share/cdprojektred
+blacklist ${HOME}/.local/share/chatterino
 blacklist ${HOME}/.local/share/clipit
 blacklist ${HOME}/.local/share/com.github.johnfactotum.Foliate
 blacklist ${HOME}/.local/share/contacts
diff --git a/etc/profile-a-l/chatterino.profile b/etc/profile-a-l/chatterino.profile
new file mode 100644
index 000000000..bbb536827
--- /dev/null
+++ b/etc/profile-a-l/chatterino.profile
@@ -0,0 +1,116 @@
+# Firejail profile for Chatterino
+# Description: Chat client for https://twitch.tv
+# This file is overwritten after every install/update
+# Persistent local customizations
+include chatterino.local
+# Persistent global definitions
+include globals.local
+
+# Also allow access to mpv/vlc, they're usable via streamlink.
+noblacklist ${HOME}/.cache/vlc
+noblacklist ${HOME}/.config/aacs
+noblacklist ${HOME}/.config/mpv
+noblacklist ${HOME}/.config/pulse
+noblacklist ${HOME}/.config/vlc
+noblacklist ${HOME}/.local/share/chatterino
+noblacklist ${HOME}/.local/share/vlc
+# To upload images, whitelist/noblacklist their path in chatterino.local.
+#noblacklist ${HOME}/Pictures/
+# For custom notification sounds, whitelist/noblacklist their path in chatterino.local.
+#noblacklist ${HOME}/Music/
+
+# Allow Python for Streamlink integration (blacklisted by disable-interpreters.inc)
+include allow-python3.inc
+
+# Allow Lua for mpv (blacklisted by disable-interpreters.inc)
+include allow-lua.inc
+
+# disable-*.inc includes
+include disable-common.inc
+include disable-devel.inc
+include disable-exec.inc
+include disable-interpreters.inc
+include disable-proc.inc
+include disable-programs.inc
+include disable-xdg.inc
+
+# Also allow access to mpv/vlc, they're usable via streamlink.
+mkdir ${HOME}/.cache/vlc
+mkdir ${HOME}/.config/aacs
+mkdir ${HOME}/.config/mpv
+mkdir ${HOME}/.config/pulse
+mkdir ${HOME}/.config/vlc
+mkdir ${HOME}/.local/share/chatterino
+mkdir ${HOME}/.local/share/vlc
+whitelist ${HOME}/.cache/vlc
+whitelist ${HOME}/.config/aacs
+whitelist ${HOME}/.config/mpv
+whitelist ${HOME}/.config/pulse
+whitelist ${HOME}/.config/vlc
+whitelist ${HOME}/.local/share/chatterino
+whitelist ${HOME}/.local/share/vlc
+# To upload images, whitelist/noblacklist their path in chatterino.local.
+#whitelist ${HOME}/Pictures/
+# For custom notification sounds, whitelist/noblacklist their path in chatterino.local.
+#whitelist ${HOME}/Music/
+# whitelist-*.inc includes
+include whitelist-common.inc
+include whitelist-run-common.inc
+include whitelist-runuser-common.inc
+include whitelist-usr-share-common.inc
+include whitelist-var-common.inc
+
+# Streamlink+VLC doesn't seem to close properly with apparmor enabled.
+#apparmor
+caps.drop all
+netfilter
+nodvd
+nogroups
+nonewprivs
+noprinters
+noroot
+notv
+nou2f
+# Netlink is required for streamlink integration.
+protocol unix,inet,inet6,netlink
+# Seccomp may break browser integration.
+seccomp
+seccomp.block-secondary
+tracelog
+
+disable-mnt
+# Add more private-bin lines for browsers or video players to chatterino.local if wanted.
+private-bin chatterino,pgrep
+private-bin ffmpeg,python*,streamlink
+private-bin cvlc,nvlc,qvlc,rvlc,svlc,vlc
+private-bin env,mpv,python*,waf,youtube-dl,yt-dlp
+# private-cache may cause issues with mpv (see #2838)
+private-cache
+private-dev
+private-etc alsa,alternatives,asound.conf,ca-certificates,dbus-1,fonts,hostname,hosts,kde4rc,kde5rc,ld.so.cache,ld.so.conf,ld.so.conf.d,ld.so.preload,locale,locale.alias,locale.conf,localtime,machine-id,nvidia,passwd,pulse,resolv.conf,rpc,services,ssl,Trolltech.conf,X11
+private-opt none
+private-srv none
+private-tmp
+
+dbus-user filter
+dbus-user.own com.chatterino.*
+# Session Bus Policy from flatpak
+dbus-user.talk com.canonical.AppMenu.Registrar
+dbus-user.talk org.kde.kconfig.notify
+dbus-user.talk org.kde.KGlobalSettings
+dbus-user.talk org.freedesktop.Flatpak
+# Allow notifications.
+dbus-user.talk org.freedesktop.Notifications
+# For media player integration.
+dbus-user.talk org.freedesktop.ScreenSaver
+?ALLOW_TRAY: dbus-user.talk org.kde.StatusNotifierWatcher
+dbus-user.talk org.mpris.MediaPlayer2.Player
+dbus-system none
+
+# Prevents browsers/players from lingering after Chatterino is closed.
+#deterministic-shutdown
+# Add to chatterino.local to force Qt to use its wayland QPA plugin.
+#env QT_QPA_PLATFORM=wayland
+# memory-deny-write-execute may break streamlink and browser integration.
+#memory-deny-write-execute
+restrict-namespaces
diff --git a/src/firecfg/firecfg.config b/src/firecfg/firecfg.config
index 152263f04..15169f983 100644
--- a/src/firecfg/firecfg.config
+++ b/src/firecfg/firecfg.config
@@ -130,6 +130,7 @@ catfish
 cawbird
 celluloid
 chafa
+chatterino
 checkbashisms
 cheese
 cherrytree