Spidermonkey can refer to:

• The animal Spider monkey found in the tropical forests of Mexico and Brazil.
• The XBRL taxonomy editor SpiderMonkey developed by CoreFiling Ltd.
• SpiderMonkey (Javascript engine), the code name for the first invented Javascript engine

Fiction

• Spidermonkey - one of ten aliens Ben Tennyson can turn into in the Cartoon Network series Ben 10: Alien Force.
• Jake Spidermonkey, a character in My Gym Partner's a Monkey