'''CAHA''' or '''Caha''' may refer to:
* Canadian Amateur Hockey Association, a former ice hockey governing body in Canada * Calar Alto Observatory or ''Centro Astronómico Hispano-Alemán'', an astronomy institute in Spain * Caha Mountains, a mountain range in Ireland * Robert Caha (born 1976), a Czech footballer
==See also== * Caha-Paluma * ''Caha v. United States'', see Tax protester constitutional arguments
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