Martin Mesík (born October 17, 1979 in Banská Bystrica) is a Slovak ski jumper who holds the Slovak national record with 195.5 m which he set in Kulm 2006. Mesík, who became and elite ski jumper in 1995 was for a long time the only Slovak World Cup ski jumper and had to train by himself. In 2007 another Slovak made his way up to the World Cup, Tomáš Zmoray. Even through that, Mesík ended his career one year later.
Mesík is now living in Selce. During his active career he was 183 cm tall, and his weight was 64 kg.
He has competed 2 times in the Olympic Games, 9 at the World Championships and 90 in the World Cup. His best World Cup placement is a 16th place from Willingen 2003. In the World Ski Championships in Trondheim 1997 he ended up on 20th place in the Large Hill competition.