The AMC V8 may refer to either of two distinct OHV V8 engine designs that were developed and manufactured by American Motors Corporation (AMC). The engines were used in cars and trucks by AMC, Kaiser, and International Harvester as well as in marine and stationary applications.

American Motors Corporation was an American automobile manufacturing company formed by the merger of Nash-Kelvinator Corporation and Hudson Motor Car Company on May 1, 1954. At the time, it was the largest corporate merger in U.S. history.