List of Billboard Hot 100 number ones of 1966

|+Key

|style="background-color:#FFFF99"|The yellow background indicates the #1 song on Billboard's 1966 Year-End Chart of Pop Singles.

The original #1 song of 1966, "California Dreamin'" by the Mamas & the Papas, never reached #1 on the weekly charts.

! width=31|{{abbr|No.|Hot 100 consecutive No.1 (re-entry)}}

!Issue date

!Song

!Artist(s)

!Reference

|January 1

|align="center"|"The Sound of Silence"

|align="center"|Simon & Garfunkel

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-01-01|work=Billboard Hot 100 |title=January 1, 1966}}

|January 8

|align="center" rowspan="2"|"We Can Work It Out"

|align="center" rowspan="2"|The Beatles

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-01-08|work=Billboard Hot 100 |title=January 8, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-01-15|work=Billboard Hot 100 |title=January 15, 1966}}

|January 22

|align="center"|"The Sound of Silence"

|align="center"|Simon & Garfunkel

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-01-22|work=Billboard Hot 100 |title=January 22, 1966}}

|January 29

|align="center"|"We Can Work It Out"

|align="center"|The Beatles

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-01-29|work=Billboard Hot 100 |title=January 29, 1966}}

|February 5

|align="center" rowspan="2"|"My Love"

|align="center" rowspan="2"|Petula Clark

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-02-05|work=Billboard Hot 100 |title=February 5, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-02-12|work=Billboard Hot 100 |title=February 12, 1966}}

|February 19

|align="center"|"Lightnin' Strikes"

|align="center"|Lou Christie

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-02-19|work=Billboard Hot 100 |title=February 19, 1966}}

|February 26

|align="center"|"These Boots Are Made for Walkin'"

|align="center"|Nancy Sinatra

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-02-26|work=Billboard Hot 100 |title=February 26, 1966}}

|March 5

|bgcolor=#FFFF99 align="center" rowspan="5"|"The Ballad of the Green Berets"

|align="center" rowspan="5"|SSgt Barry Sadler

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-03-05|work=Billboard Hot 100 |title=March 5, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-03-12|work=Billboard Hot 100 |title=March 12, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-03-19|work=Billboard Hot 100 |title=March 19, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-03-26|work=Billboard Hot 100 |title=March 26, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-04-02|work=Billboard Hot 100 |title=April 2, 1966}}

|April 9

|align="center" rowspan="3"|"(You're My) Soul and Inspiration"

|align="center" rowspan="3"|The Righteous Brothers

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-04-09|work=Billboard Hot 100 |title=April 9, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-04-16|work=Billboard Hot 100 |title=April 16, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-04-23|work=Billboard Hot 100 |title=April 23, 1966}}

|April 30

|align="center"|"Good Lovin'"

|align="center"|The Young Rascals

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-04-30|work=Billboard Hot 100 |title=April 30, 1966}}

|May 7

|align="center" rowspan="3"|"Monday, Monday"

|align="center" rowspan="3"|The Mamas & the Papas

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-05-07|work=Billboard Hot 100 |title=May 7, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-05-14|work=Billboard Hot 100 |title=May 14, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-05-21|work=Billboard Hot 100 |title=May 21, 1966}}

|May 28

|align="center" rowspan="2"|"When a Man Loves a Woman"

|align="center" rowspan="2"|Percy Sledge

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-05-28|work=Billboard Hot 100 |title=May 28, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-06-04|work=Billboard Hot 100 |title=June 4, 1966}}

|June 11

|align="center" rowspan="2"|"Paint It Black"

|align="center" rowspan="2"|The Rolling Stones

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-06-11|work=Billboard Hot 100 |title=June 11, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-06-18|work=Billboard Hot 100 |title=June 18, 1966}}

|June 25

|align="center"|"Paperback Writer"

|align="center"|The Beatles

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-06-25|work=Billboard Hot 100 |title=June 25, 1966}}

|July 2

|align="center"|"Strangers in the Night"

|align="center"|Frank Sinatra

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-07-02|work=Billboard Hot 100 |title=July 2, 1966}}

|July 9

|align="center"|"Paperback Writer"

|align="center"|The Beatles

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-07-09|work=Billboard Hot 100 |title=July 9, 1966}}

|July 16

|align="center" rowspan="2"|"Hanky Panky"

|align="center" rowspan="2"|Tommy James and the Shondells

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-07-16|work=Billboard Hot 100 |title=July 16, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-07-23|work=Billboard Hot 100 |title=July 23, 1966}}

|July 30

|align="center" rowspan="2"|"Wild Thing"

|align="center" rowspan="2"|The Troggs

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-07-30|work=Billboard Hot 100 |title=July 30, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-08-06|work=Billboard Hot 100 |title=August 6, 1966}}

|August 13

|align="center" rowspan="3"|"Summer in the City"

|align="center" rowspan="3"|The Lovin' Spoonful

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-08-13|work=Billboard Hot 100 |title=August 13, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-08-20|work=Billboard Hot 100 |title=August 20, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-08-27|work=Billboard Hot 100 |title=August 27, 1966}}

|September 3

|align="center"|"Sunshine Superman"

|align="center"|Donovan

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-09-03|work=Billboard Hot 100 |title=September 3, 1966}}

|September 10

|align="center" rowspan="2"|"You Can't Hurry Love"

|align="center" rowspan="2"|The Supremes

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-09-10|work=Billboard Hot 100 |title=September 10, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-09-17|work=Billboard Hot 100 |title=September 17, 1966}}

|September 24

|align="center" rowspan="3"|"Cherish"

|align="center" rowspan="3"|The Association

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-09-24|work=Billboard Hot 100 |title=September 24, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-10-01|work=Billboard Hot 100 |title=October 1, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-10-08|work=Billboard Hot 100 |title=October 8, 1966}}

|October 15

|align="center" rowspan="2"|"Reach Out I'll Be There"

|align="center" rowspan="2"|Four Tops

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-10-15|work=Billboard Hot 100 |title=October 15, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-10-22|work=Billboard Hot 100 |title=October 22, 1966}}

|October 29

|align="center"|"96 Tears"

|align="center"|? and the Mysterians

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-10-29|work=Billboard Hot 100 |title=October 29, 1966}}

|November 5

|align="center"|"Last Train to Clarksville"

|align="center"|The Monkees

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-11-05|work=Billboard Hot 100 |title=November 5, 1966}}

|November 12

|align="center"|"Poor Side of Town"

|align="center"|Johnny Rivers

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-11-12|work=Billboard Hot 100 |title=November 12, 1966}}

|November 19

|align="center" rowspan="2"|"You Keep Me Hangin' On"

|align="center" rowspan="2"|The Supremes

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-11-19|work=Billboard Hot 100 |title=November 19, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-11-26|work=Billboard Hot 100 |title=November 26, 1966}}

|December 3

|align="center"|"Winchester Cathedral"

|align="center"|The New Vaudeville Band

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-12-03|work=Billboard Hot 100 |title=December 3, 1966}}

|December 10

|align="center"|"Good Vibrations"

|align="center"|The Beach Boys

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-12-10|work=Billboard Hot 100 |title=December 10, 1966}}

|December 17

|align="center" rowspan="2"|"Winchester Cathedral"

|align="center" rowspan="2"|The New Vaudeville Band

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-12-17|work=Billboard Hot 100 |title=December 17, 1966}}

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-12-24|work=Billboard Hot 100 |title=December 24, 1966}}

|December 31

|align="center"|"I'm a Believer"

|align="center"|The Monkees

|align="center"|{{cite web|url=https://www.billboard.com/charts/hot-100/1966-12-31|work=Billboard Hot 100 |title=December 31, 1966}}

|+ List of number-one artists by total weeks at number one

! Position

! Artist

! Weeks at No. 1

| SSgt Barry Sadler

| rowspan=2| 5

| The Supremes

| 4

| The Righteous Brothers

| rowspan=5| 3

| Simon & Garfunkel

| rowspan=8| 2

| Lou Christie

| rowspan=8| 1