James Edward Grelle (September 30, 1936 – June 13, 2020) was an American middle-distance runner.

He had his best achievements in the 1500 m event, finishing eighth at the 1960 Olympics, winning a gold and a silver medal at the Pan American Games in 1963 and 1959, respectively.

[3] While running for the University of Oregon he won the NCAA Men's Outdoor Track and Field Championship in 1959 after being a runner up the previous two years.

[4] Leading up to the 1960 Olympics, he won the USA Outdoor Track and Field Championships.

Ryun also relegated Grelle to a non-qualifying fourth place in the 1964 Olympic Trials.