January 1966
- Born Jan 1–7The Sound of Silence · Simon & Garfunkel
- Born Jan 8–14We Can Work It Out · The Beatles
- Born Jan 15–21We Can Work It Out · The Beatles
- Born Jan 22–28The Sound of Silence · Simon & Garfunkel
- Born Jan 29 – Feb 4We Can Work It Out · The Beatles
February 1966
- Born Feb 5–11My Love · Petula Clark
- Born Feb 12–18My Love · Petula Clark
- Born Feb 19–25Lightnin' Strikes · Lou Christie
- Born Feb 26 – Mar 4These Boots Are Made for Walkin' · Nancy Sinatra
March 1966
- Born Mar 5–11The Ballad of the Green Berets · SSgt. Barry Sadler
- Born Mar 12–18The Ballad of the Green Berets · SSgt. Barry Sadler
- Born Mar 19–25The Ballad of the Green Berets · SSgt. Barry Sadler
- Born Mar 26 – Apr 1The Ballad of the Green Berets · SSgt. Barry Sadler
April 1966
- Born Apr 2–8The Ballad of the Green Berets · SSgt. Barry Sadler
- Born Apr 9–15(You're My) Soul and Inspiration · The Righteous Brothers
- Born Apr 16–22(You're My) Soul and Inspiration · The Righteous Brothers
- Born Apr 23–29(You're My) Soul and Inspiration · The Righteous Brothers
- Born Apr 30 – May 6Good Lovin' · The Young Rascals
May 1966
- Born May 7–13Monday, Monday · The Mamas & the Papas
- Born May 14–20Monday, Monday · The Mamas & the Papas
- Born May 21–27Monday, Monday · The Mamas & the Papas
- Born May 28 – Jun 3When a Man Loves a Woman · Percy Sledge
June 1966
- Born Jun 4–10When a Man Loves a Woman · Percy Sledge
- Born Jun 11–17Paint It Black · The Rolling Stones
- Born Jun 18–24Paint It Black · The Rolling Stones
- Born Jun 25 – Jul 1Paperback Writer · The Beatles
July 1966
- Born Jul 2–8Strangers in the Night · Frank Sinatra
- Born Jul 9–15Paperback Writer · The Beatles
- Born Jul 16–22Hanky Panky · Tommy James and the Shondells
- Born Jul 23–29Hanky Panky · Tommy James and the Shondells
- Born Jul 30 – Aug 5Wild Thing · The Troggs
August 1966
- Born Aug 6–12Wild Thing · The Troggs
- Born Aug 13–19Summer in the City · The Lovin' Spoonful
- Born Aug 20–26Summer in the City · The Lovin' Spoonful
- Born Aug 27 – Sep 2Summer in the City · The Lovin' Spoonful
September 1966
- Born Sep 3–9Sunshine Superman · Donovan
- Born Sep 10–16You Can't Hurry Love · The Supremes
- Born Sep 17–23You Can't Hurry Love · The Supremes
- Born Sep 24–30Cherish · The Association
October 1966
- Born Oct 1–7Cherish · The Association
- Born Oct 8–14Cherish · The Association
- Born Oct 15–21Reach Out I'll Be There · Four Tops
- Born Oct 22–28Reach Out I'll Be There · Four Tops
- Born Oct 29 – Nov 496 Tears · ? and the Mysterians
November 1966
- Born Nov 5–11Last Train to Clarksville · The Monkees
- Born Nov 12–18Poor Side of Town · Johnny Rivers
- Born Nov 19–25You Keep Me Hangin' On · The Supremes
- Born Nov 26 – Dec 2You Keep Me Hangin' On · The Supremes