The Mamas & the Papas had two songs on the Year-End Hot 100, including "California Dreamin'", the number one song of 1966. The Beatles had four songs on the Year-End Hot 100, the most of any artist in 1966. This is a list of Billboard magazine's Top Hot 100 songs of 1966.

List of Billboard Hot 100 top-ten singles in 1966 This is a list of singles that have peaked in the Top 10 of the Billboard Hot 100 during 1966. The Beatles, The Lovin' Spoonful, and The Rolling Stones each had five top-ten hits in 1966, tying them for the most top-ten hits during the year.