Colusa

Colusa or Colusi may refer to:

People

 * Colusa Indian Community, a Wintun tribe

Places

 * Colusa, California, county seat of Colusa County
 * Colusa County, California
 * Colusa County Airport, California
 * Colusa County Courthouse, California
 * Colusa, Illinois
 * Colusa National Wildlife Refuge, California
 * Colusa Rancheria, California
 * Colusa Unified School District, California

Other

 * Colusa grass, a common name of Neostapfia colusana, the sole species within the genus Neostapfia