Leo Ehlen (20 May 1953 – 10 February 2016) was a Dutch football player. He was born in Broeksittard, Limburg (Netherlands). He was a defender and defensive midfielder. Ehlen started his professional career with Fortuna SC and joined Roda JC in 1975. With Roda JC, he played alongside Dick Nanninga, Pierre Vermeulen and Theo de Jong. He was nicknamed the Neeskens of Roda after Johan Neeskens. Ehlen scored 6 goals in 233 official matches for the club. He left them after nine years for a short time with Belgian team Waterschei.

Ehlen died in Sittard, Netherlands on 10 February 2016 from kidney disease. He was aged 62.