Air Union
| Founded | 1 January 1923 Paris, France | 
|---|---|
| Commenced operations | 1 January 1923 Paris, France | 
| Ceased operations | 7 October 1933 (merged with Air Orient, Aéropostale, CFRNA and SGTA to form Air France) | 
| Operating bases | Paris–Le Bourget Airport | 
| Destinations | Croydon | 
| Headquarters | Le Bourget Airport | 
Air Union was a French airline established on 1 January 1923, as the result of a merger between the airlines Compagnie des Messageries Aériennes and Compagnie des Grands Express Aériens. Air Union was merged with four other French airlines to become Air France on 7 October 1933.