3/5
# 3/5

3/5 or 3⁄5 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
