Martin Marinov (Bulgarian: Мартин Маринов, born 25 October 1967) is a Bulgarian-born Australian flatwater canoer who competed from the late 1980s and the mid-2000s (decade). A former "Mr Bulgaria" he won two Olympic medals for that country in the Canadian canoeing 500 m events.
In Seoul in 1988 he was the bronze medalist in the C-1 500 m. Four years later in Barcelona he and teammate Blagovest Stoyanov won bronze in the C-2 500 m. At the 1996 Summer Olympics, Marinov and Stojanov reached both C-2 finals, finishing fourth in the 1000 m and fifth in the 500 m events, respectively.
Marinov later emigrated and represented Australia. He retired after the 2004 Summer Olympics where he was eliminated in the C-1 500 m semi-final.
He also won five ICF Canoe Sprint World Championships medals with a silver (C-1 1000 m: 1987) and four bronzes (C-1 500 m: 1989, 1990; C-2 200 m: 1995, C-2 500 m: 1994).
In October 2006, Marinov was appointed as Head Coach of the AIS Canoe/Kayak Program.