3/5

3/5 or may refer to:

The fraction, 3/5 3/5 (album), a 1997 album by Les Savy Fav March 5, month-day date notation 3 May, day-month date notation 3rd Battalion 5th Marines, an infantry battalion in the United States Marine Corps Three-fifths Compromise, American legislation for determining the proportional value of slaves in pre-Civil War census counts Three-fifths majority, a supermajority used in some political votes

See also 5/3 (disambiguation) 6/10 (disambiguation)