Dennis Coslett
| Dennis Coslett | |
|---|---|
| Coslett in 1965 | |
| Native name | Dafydd ap Coslett | 
| Nickname(s) | "Dai Dayan" | 
| Born | 12 September 1939 Carmarthen, Wales | 
| Died | 20 May 2004 (aged 64) Llanelli, Wales | 
| Allegiance | Free Wales Army | 
| Service | British Army Merchant Navy (United Kingdom) | 
| Unit | Royal Welch Fusiliers | 
| Known for | Commandant of the Free Wales Army | 
| Spouse(s) | Averil Webb | 
| Children | 3 | 
| Other work | Poet Essayist Writer | 
Dennis Coslett (12 September 1939 – 20 May 2004) was a Welsh nationalist political activist, best known as being a member and self-styled commandant of the paramilitary Free Wales Army (FWA), who became notorious in Wales throughout the 1960s.