KGCN may refer to:

• KGCN (FM), a radio station (91.7 FM) licensed under construction permit to Roswell, New Mexico, United States
• the ICAO code for Grand Canyon National Park Airport, in Coconio County, Arizona, United States

• Longir-e Pa'in
• Longir-e Pain
• Longir-e Sofla
• Longir-e Vosta
• Longir Olya
• Longirostravisidae
• Longir Sofla
• Longis
• Longischistura
• Longischistura striata
• Longiscitula houghae
• Long Island Amateur
• Long Island American Water
• Long Island (Antarctica)
• Long Island, Bahamas
• Long Island (Bahamas)
• Long Island Bank
• Long Island Blackbirds
• Long Island Blackbirds baseball
• Long Island Blackbirds football
• Long Island Blackbirds men's basketball
• Long Island Blackbirds men's soccer
• Long Island Blackbirds softball
• Long Island Blackbirds women's basketball
• Long Island Blackbirds women's soccer