Gilmar Jalith Mayo Lozano (born 30 September 1969) is a Colombian high jumper. His personal best jump is 2.33 m (7 ft 7 1⁄2 in), achieved in October 1994 in Pereira. This is the current Colombian and South American record. Mayo represented Colombia twice at the Olympic Games (1996 and 2000) and three times at the World Championships in Athletics (1995, 1997 and 1999).
|Full name||Gilmar Jalith Mayo Lozano|
|Born||September 30, 1969|
Pailitas, Cesar, Colombia
Mayo was the 2006 Central American and Caribbean Games champion in the high jump and competed at the Pan American Games in 1995, 1999 and 2007, which included a bronze on his debut at the competition. He was a four-time champion at the South American Championships in Athletics (1991, 1995, 1997, 2005) and a three-time gold medallist at the South American Games – this includes the 1998 South American Games where he also won the triple jump title and the long jump silver medal. His mark of 2.25 m (7 ft 4 1⁄2 in) at the 1994 South American Games is the current Games record. He was a frequent participant at the Ibero-American Championships in Athletics and was the gold medallist there in 2000 and 2002.