No. 30 Commando
| 30 (Commando) Assault Unit | |
|---|---|
| Active | 1942–1946 | 
| Country | United Kingdom | 
| Branch | Royal Marines, Royal Navy, British Army, RAF, and attached civilian specialists. | 
| Type | Commando | 
| Role | Raiding to gather intelligence | 
| Size | 120 all ranks | 
| Part of | Combined Operations | 
| Nickname(s) | "Red Indians" | 
| Motto(s) | "Attain by Surprise" | 
| Engagements | Second World War | 
| Commanders | |
| Notable commanders | Lieutenant Commander Quintin Theodore Petroe Molesworth Riley | 
| Insignia | |
| 30 Assault Unit Shoulder Insignia | |
No. 30 Commando, from 1943 to 1946 known as 30 Assault Unit, was a British Commando unit during the Second World War, originally formed to gather intelligence.