diff --git a/bin/omarchy-default-browser b/bin/omarchy-default-browser
index b6bbf8cbcf..a76e1ad175 100755
--- a/bin/omarchy-default-browser
+++ b/bin/omarchy-default-browser
@@ -32,9 +32,14 @@ zen) desktop_id="zen.desktop"; name="Zen"; glyph="󰖟" ;;
   ;;
 esac
 
+prev="$(xdg-settings get default-web-browser)"
+
 xdg-settings set default-web-browser "$desktop_id"
 xdg-mime default "$desktop_id" x-scheme-handler/http
 xdg-mime default "$desktop_id" x-scheme-handler/https
 xdg-mime default "$desktop_id" text/html
 
+# A different browser may have different profiles, so drop remembered webapp selections.
+[[ $prev != "$desktop_id" ]] && omarchy-webapp-profile-store clear-all
+
 notify-send -u low "$glyph    $name is now the default browser"
diff --git a/bin/omarchy-launch-webapp b/bin/omarchy-launch-webapp
index 6ee0f84a25..ecea185125 100755
--- a/bin/omarchy-launch-webapp
+++ b/bin/omarchy-launch-webapp
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # omarchy:summary=Launch a URL as a web app in the default supported browser
-# omarchy:args=<url>
+# omarchy:args=<url> [extra-flags...]
 
 browser=$(xdg-settings get default-web-browser)
 
@@ -10,4 +10,54 @@ google-chrome* | brave* | microsoft-edge* | opera* | vivaldi* | helium*) ;;
 *) browser="chromium.desktop" ;;
 esac
 
-exec setsid uwsm-app -- $(sed -n 's/^Exec=\([^ ]*\).*/\1/p' {~/.local,~/.nix-profile,/usr}/share/applications/$browser 2>/dev/null | head -1) --app="$1" "${@:2}"
+browser_exec=$(sed -n 's/^Exec=\([^ ]*\).*/\1/p' {~/.local,~/.nix-profile,/usr}/share/applications/$browser 2>/dev/null | head -1)
+
+url="$1"
+shift
+remember_key="${OMARCHY_WEBAPP_REMEMBER_KEY:-$url}"
+profile_arg=()
+
+# Build parallel arrays of profile dir + display name for the effective browser.
+dirs=()
+names=()
+while IFS=$'\t' read -r d n; do
+  [[ -n $d ]] && dirs+=("$d") && names+=("$n")
+done < <(omarchy-webapp-profiles)
+
+# Only offer a profile choice when there is more than one to choose from.
+if ((${#dirs[@]} > 1)); then
+  chosen_dir=""
+
+  # Use a remembered profile if it still exists.
+  remembered="$(omarchy-webapp-profile-store get "$remember_key")"
+  if [[ -n $remembered ]]; then
+    for d in "${dirs[@]}"; do [[ $d == "$remembered" ]] && chosen_dir="$d" && break; done
+  fi
+
+  # Otherwise ask, listing each profile (use once) plus an "Always use…" variant (remember).
+  if [[ -z $chosen_dir ]]; then
+    options=("${names[@]}" "──────────")
+    for n in "${names[@]}"; do options+=("Always use $n"); done
+
+    picked="$(omarchy-menu-select "Choose profile" "${options[@]}")"
+    [[ -z $picked || $picked == "──────────" ]] && exit 0
+
+    remember=false
+    sel="$picked"
+    if [[ $picked == "Always use "* ]]; then
+      remember=true
+      sel="${picked#Always use }"
+    fi
+
+    for i in "${!names[@]}"; do
+      [[ ${names[$i]} == "$sel" ]] && chosen_dir="${dirs[$i]}" && break
+    done
+    [[ -z $chosen_dir ]] && exit 0
+
+    $remember && omarchy-webapp-profile-store set "$remember_key" "$chosen_dir"
+  fi
+
+  profile_arg=(--profile-directory="$chosen_dir")
+fi
+
+exec setsid uwsm-app -- "$browser_exec" "${profile_arg[@]}" --app="$url" "$@"
diff --git a/bin/omarchy-webapp-handler-hey b/bin/omarchy-webapp-handler-hey
index b7c773d684..81f8f25b85 100755
--- a/bin/omarchy-webapp-handler-hey
+++ b/bin/omarchy-webapp-handler-hey
@@ -12,4 +12,7 @@ if [[ $url =~ ^mailto: ]]; then
   web_url="https://app.hey.com/messages/new?to=$email"
 fi
 
+# Keep the remembered profile stable across the dynamic mailto: URLs.
+export OMARCHY_WEBAPP_REMEMBER_KEY="https://app.hey.com"
+
 exec omarchy-launch-webapp "$web_url"
diff --git a/bin/omarchy-webapp-handler-zoom b/bin/omarchy-webapp-handler-zoom
index 6692041f0b..02eb6f3955 100755
--- a/bin/omarchy-webapp-handler-zoom
+++ b/bin/omarchy-webapp-handler-zoom
@@ -20,4 +20,7 @@ if [[ $url =~ ^zoom(mtg|us):// ]]; then
   fi
 fi
 
+# Keep the remembered profile stable across the dynamic meeting URLs.
+export OMARCHY_WEBAPP_REMEMBER_KEY="https://app.zoom.us/wc/home"
+
 exec omarchy-launch-webapp "$web_url"
diff --git a/bin/omarchy-webapp-install b/bin/omarchy-webapp-install
index dbf0060979..046ec035e4 100755
--- a/bin/omarchy-webapp-install
+++ b/bin/omarchy-webapp-install
@@ -24,6 +24,23 @@ if (( $# < 3 )); then
     ICON_REF=$(gum input --prompt "Icon URL> " --placeholder "Could not fetch favicon automatically. Enter PNG icon URL (see https://dashboardicons.com)")
   fi
 
+  # Offer a target browser profile when the effective browser has more than one.
+  PROFILE_DIRS=()
+  PROFILE_NAMES=()
+  while IFS=$'\t' read -r d n; do
+    [[ -n $d ]] && PROFILE_DIRS+=("$d") && PROFILE_NAMES+=("$n")
+  done < <(omarchy-webapp-profiles)
+
+  if ((${#PROFILE_DIRS[@]} > 1)); then
+    CHOICE=$(gum choose --header "Which browser profile?" "Ask me each time" "${PROFILE_NAMES[@]}")
+    if [[ -n $CHOICE && $CHOICE != "Ask me each time" ]]; then
+      for i in "${!PROFILE_NAMES[@]}"; do
+        [[ ${PROFILE_NAMES[$i]} == "$CHOICE" ]] &&
+          omarchy-webapp-profile-store set "$APP_URL" "${PROFILE_DIRS[$i]}" && break
+      done
+    fi
+  fi
+
   CUSTOM_EXEC=""
   MIME_TYPES=""
   INTERACTIVE_MODE=true
diff --git a/bin/omarchy-webapp-profile-store b/bin/omarchy-webapp-profile-store
new file mode 100755
index 0000000000..52d450c5d5
--- /dev/null
+++ b/bin/omarchy-webapp-profile-store
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# omarchy:summary=Read/write the remembered Chromium profile for a webapp
+# omarchy:args=<get|set|clear-all> [key] [dirname]
+
+DIR="$HOME/.config/omarchy/webapps/profiles"
+STAMP="$HOME/.config/omarchy/webapps/profiles-browser"
+
+key_for() { printf '%s' "$1" | sha256sum | cut -d' ' -f1; }
+
+cmd="$1"
+shift
+
+case "$cmd" in
+get) # get <key> -> dirname or nothing
+  [[ -f $STAMP && "$(cat "$STAMP")" == "$(omarchy-webapp-profiles --browser)" ]] || exit 0
+  f="$DIR/$(key_for "$1")"
+  [[ -f $f ]] && cat "$f"
+  ;;
+set) # set <key> <dirname>
+  mkdir -p "$DIR"
+  printf '%s' "$2" >"$DIR/$(key_for "$1")"
+  omarchy-webapp-profiles --browser >"$STAMP"
+  ;;
+clear-all)
+  rm -rf "$DIR" "$STAMP"
+  ;;
+esac
diff --git a/bin/omarchy-webapp-profiles b/bin/omarchy-webapp-profiles
new file mode 100755
index 0000000000..cf84d4b93c
--- /dev/null
+++ b/bin/omarchy-webapp-profiles
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# omarchy:summary=List Chromium profiles (dirname<TAB>name) for the effective webapp browser
+# omarchy:args=[--browser]
+
+effective_browser() {
+  case "$(omarchy-default-browser)" in
+  chromium | chrome | brave | brave-origin | edge | opera | vivaldi | helium) omarchy-default-browser ;;
+  *) echo "chromium" ;; # firefox/zen/unknown → webapps fall back to chromium
+  esac
+}
+
+config_dir_for() {
+  case "$1" in
+  chromium) echo "$HOME/.config/chromium" ;;
+  chrome) echo "$HOME/.config/google-chrome" ;;
+  brave) echo "$HOME/.config/BraveSoftware/Brave-Browser" ;;
+  brave-origin) echo "$HOME/.config/BraveSoftware/Brave-Browser-Origin-Beta" ;;
+  edge) echo "$HOME/.config/microsoft-edge" ;;
+  opera) echo "$HOME/.config/opera" ;;
+  vivaldi) echo "$HOME/.config/vivaldi" ;;
+  helium) echo "$HOME/.config/net.imput.helium" ;;
+  *) echo "" ;;
+  esac
+}
+
+browser="$(effective_browser)"
+[[ ${1:-} == "--browser" ]] && {
+  echo "$browser"
+  exit 0
+}
+
+cfg="$(config_dir_for "$browser")"
+[[ -n $cfg && -f "$cfg/Local State" ]] || exit 0
+command -v jq >/dev/null || exit 0
+
+jq -r '(.profile.info_cache // {}) | to_entries[] | "\(.key)\t\(.value.name // .key)"' \
+  "$cfg/Local State" 2>/dev/null | sort
diff --git a/migrations/1781657000.sh b/migrations/1781657000.sh
new file mode 100644
index 0000000000..c83f21c1ae
--- /dev/null
+++ b/migrations/1781657000.sh
@@ -0,0 +1,4 @@
+echo "Webapps can now launch in a chosen browser profile"
+echo "With multiple profiles, you'll be asked which to use the next time a webapp launches"
+
+# Nothing to backfill: profile selections live outside .desktop files and are created on demand.