1981 NCAA Division II Lacrosse Championship

Tournament information
Sport	College lacrosse
Location	Garden City, New York
Host(s)	Adelphi University
Venue(s)	Motamed Field
Participants	2
Final positions
Champions	Adelphi (2nd title)
Runner-up	Loyola (MD) (1st title game)
Tournament statistics
Matches played	1
Goals scored	31 (31 per match)
Attendance	820 (820 per match)
Top scorer(s)	Ed Hughes, Adelphi (8)
← 1980 1993 →

The 1981 NCAA Division II Lacrosse Championship was the eighth annual single-elimination tournament to determine the national champions of NCAA Division II men's college lacrosse in the United States.

This would be the final edition of the Division II men's tournament until 1993.

The final, and only match of the tournament, was played at Motamed Field at Adelphi University in Garden City, New York.^[1]

Hosts Adelphi defeated Loyola (MD), 17–14, to win their second national title. Paul Doherty coached the Panthers (10–2). This was Adelphi's second title in three seasons.

• 1981 NCAA Division I Lacrosse Championship
• 1981 NCAA Division III Lacrosse Championship