Greenhorn

Greenhorn is a slang for an inexperienced person, and/or a slur against Portuguese people in New England, United States. It may also refer to:

Places

 * Greenhorn, California, United States
 * Greenhorn Mountain, a mountain in Colorado, United States
 * The Greenhorn Valley in Colorado, United States
 * Greenhorn, Oregon, United States

Other

 * The Greenhornes, a rock band from Cincinnati, Ohio
 * Greenhorn Limestone, a widespread geologic unit in the plains and mountainous Western United States