Colorado Referendum 3 was a legislatively-referred constitutional amendment on the November 7, 1972 election ballot in Colorado, where it was approved.
| Colorado Referendum 3 (1972)|
| Yes|| 531,415|| 64.28%|
Election Results via: The Colorado Legislative Council
Text of measure
The language that appeared on the ballot:
|| An Amendment to Article II of the Constitution of the State of Colorado, relating to equality of rights of the sexes.