The 1980 New York Cosmos season was the tenth season for the New York Cosmos in the now-defunct North American Soccer League.

The Cosmos completed their third double, finishing 1st in the overall league table and defeating the Fort Lauderdale Strikers 3–0 in Soccer Bowl '80.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Note: Newspaper reports and official NASL records stated goal times to the second (ex: 10:23) instead of the international standard of rounding up (ex: 11th minute).