Timothy Dennis Kirby (), known as Tim Kirby (), is an American-Russian radio personality based in Moscow. In 2006, Kirby migrated from the United States to Russia. He is best known for the program Alien on the radio station Mayak (àðôøþ ÃÂðÃÂú). He has often appeared on the Russian TV and multi-media network RT.
Kirby is married to Inge Morozova, a native of Kirov. They have two children. He obtained Russian citizenship in 2018.