The 1966 Arab Cup was the third edition of the Arab Cup hosted by Baghdad, Iraq.

The host nation and defending champions Iraq won the title for the 2nd time.

[1] At the tournament's closing ceremony, the chairman of the Arab Cup Organising Committee announced that the next edition of the Arab Cup would be held in 1967 in Damascus, Syria,[2] however this did not end up taking place.

The 10 participated teams are: Oman abandoned their first match against Libya with 10 minutes left from a disputed decision when they started losing 21–0 to Libya, and withdrew from the tournament.