From Wikipedia, the free encyclopedia
Blocker can mean any of the following:
- Blocker (surname)
- Blocker (ice hockey)
- The nickname of Steve Roach, Australian rugby league footballer
- Blocker (cricket), slang for a defensive-minded batsman in cricket
- The inverse of a filter (optics). Instead of blocking everything except target color(s) like a filter does, a blocker lets everything else pass and blocks only the color(s) specified
- Blocker, is a position in roller derby
- Blocker (G.I. Joe), a fictional character in the G.I. Joe universe
- Blocker corporation
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