diff --git a/profile.d/bash-completion/prompt-completion.sh b/profile.d/bash-completion/prompt-completion.sh
new file mode 100755
index 0000000..b18fa3b
--- /dev/null
+++ b/profile.d/bash-completion/prompt-completion.sh
@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# ------------------------------------------------------------------------------
+# Prompt helper completions for profile.d/prompt.sh shortcuts.
+# ------------------------------------------------------------------------------
+
+_profile_prompt_complete_theme_names()
+{
+    local theme_dir="${PROMPT_THEME_DIR:-${MYPATH}/profile.d/themes}"
+
+    [[ -d "$theme_dir" ]] || return 0
+
+    local theme_file theme_names=""
+    for theme_file in "$theme_dir"/*.theme; do
+        [[ -f "$theme_file" ]] || continue
+        theme_names+=" ${theme_file##*/}"
+        theme_names="${theme_names%.theme}"
+    done
+
+    printf "%s\n" "$theme_names"
+}
+
+_complete_set_theme()
+{
+    local cur prev
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    case "$prev" in
+        -h|--help|-l|--list)
+            COMPREPLY=()
+            return 0
+            ;;
+    esac
+
+    if [[ "$cur" == -* ]]; then
+        COMPREPLY=( $(compgen -W "-h --help -l --list" -- "$cur") )
+        return 0
+    fi
+
+    if [[ "$cur" == */* || "$cur" == .* ]]; then
+        COMPREPLY=( $(compgen -f -X '!*.theme' -- "$cur") )
+        return 0
+    fi
+
+    COMPREPLY=( $(compgen -W "$(_profile_prompt_complete_theme_names)" -- "$cur") )
+}
+
+if [[ $- == *i* && -n ${BASH_VERSION:-} ]]; then
+    complete -F _complete_set_theme set_theme
+fi
+
+# EOF
\ No newline at end of file