| Derek Cowen | |
| Fullname: | Derek Cowen |
| Birth Date: | 20 April 1939 |
| Originalteam: | West Coburg[1] |
| Height: | 185 cm |
| Weight: | 92 kg |
| Statsend: | 1962 |
| Years1: | 1960–1962 |
| Club1: | North Melbourne |
| Games Goals1: | 30 (1) |
Derek Cowen (born 20 April 1939) is a former Australian rules footballer who played with North Melbourne in the Victorian Football League (VFL).
A ruckman, Cowen was recruited to North Melbourne from West Coburg. He played 17 of a possible 18 games in 1960 but struggled with injuries over the next few seasons.[2]
In 1963 he joined Irymple for a two year stint as playing coach. Cowen then coached Castlemaine to the 1966 Bendigo Football League premiership.[3] He also won back to back Michelsen Medals while at Castlemaine, which are awarded to the league's best and fairest player, in 1966 and 1967.