John G. Nimick (born 1958) is an American squash player and tournament organizer.
He then turned professional, and became a leading player on the North American hardball squash tour, winning several major titles.
He then formed an event promotion firm, Event Engine Inc., to run international squash tournaments, including the US Open in Boston, the Tournament of Champions in New York City, the Netsuite Open in San Francisco, and the Canadian Squash Classic in Toronto, Ontario.
Nimick was inducted into the United States Squash Racquets Association Hall of Fame in 2006.
This biographical article relating to an American squash figure is a stub.