Citizens for Equal Protection v. Bruning, 455 F.3d 859 (8th Cir. 2006), was a federal lawsuit filed in the United States District Court for the District of Nebraska and decided on appeal by the United States Court of Appeals for the Eighth Circuit. It challenged the federal constitutionality of Nebraska Initiative Measure 416, a 2000 ballot initiative that amended the Nebraska Constitution to prohibit the recognition of same-sex marriages, civil unions, and other same-sex relationships.