The Colorado Equality of Sexes Amendment, also known as Measure 3, was on the November 7, 1972 ballot in Colorado as a legislatively-referred constitutional amendment, where it was approved. The measure provided a constitutional basis for the equality of rights of men and women.
| Colorado Referendum 3 (1972)|
| Yes|| 531,415|| 64.28%|
Election results via: The Colorado Legislative Council
Text of measure
The language appeared on the ballot as:
|| An Amendment to Article II of the Constitution of the State of Colorado, relating to equality of rights of the sexes.