Trevell Quinley (born January 16, 1983, in Santa Clara, California) is an American long jumper and competitor in the 2008 Summer Olympics.

At the 2007 World Championships he reached the final, but registered three invalid jumps and ended without a result.

His June 2007 performance in Indianapolis included a jump of 8.22 meters (26 feet 11.75 inches), his personal best until the 2008 Olympic trials in Eugene, Oregon.

[2] Quinley is a two-time NCAA Division I All-American in long jump at Arizona State University.

[4] Quinley is a 2001 long jump CIF California State Meet champion as a senior 7.47 m (24 ft 6 in), state finalist in the 300m hurdles, section champion in the long jump and runner-up in the 110m and 300m hurdles.