1971 Number One Song Calendar |
| blue # = weekly pop chart |
| 1 | Knock Three Times | 1 | 1-02-71 |
| Dawn |
 |  |
| 2 | Does Anybody Really Know What Time It Is? | 1 | 1-09-71 |
| Chicago |
| | |
| 1-16-71 |
| Knock Three Times by Dawn returns to number one |
| 3 | Rose Garden | 1 | 1-23-71 |
| Lynn Anderson |
| | |
| 4 | Lonely Days | 1 | 1-30-71 |
| Bee Gees |
| | |
| 5 | I Hear You Knocking | 1 | 2-06-71 |
| Dave Edmunds |
| | |
| 6 | One Bad Apple | 1 | 2-13-71 |
| The Osmonds |
| | |
| 7 | Just My Imagination (Running Away With Me) | 1 | 3-13-71 |
| The Temptations |
| | |
| 8 | Me And Bobby McGee | 1 | 3-27-71 |
| Janis Joplin |
| | |
| 9 | What's Going On | 1 | 4-10-71 |
| Marvin Gaye |
| | |
| 10 | Joy To The World | 1 | 4-17-71 |
| Three Dog Night |
| | |
| 11 | Put Your Hand In The Hand | 1 | 5-22-71 |
| Ocean |
| |
| 12 | Want Ads | 1 | 5-29-71 |
| The Honey Cone |
| | |
| 13 | Brown Sugar | 1 | 6-05-71 |
| The Rolling Stones |
| | |
| 14 | It Don't Come Easy | 1 | 6-12-71 |
| Ringo Starr |
| | |
| 15 | It's Too Late | 1 | 6-19-71 |
| Carole King |
| | |
| 16 | Treat Her Like A Lady | 1 | 7-10-71 |
| Cornelius Brothers & Sister Rose |
| | |
| 17 | Indian Reservation (The Lament Of The Cherokee Reservation Indian) | 1 | 7-17-71 |
| Raiders |
| | |
| 18 | You've Got A Friend | 1 | 7-24-71 |
| James Taylor |
| | |
| 19 | Don't Pull Your Love | 1 | 7-31-71 |
| Hamilton, Joe Frank & Reynolds |
| | |
| 20 | How Can You Mend A Broken Heart | 1 | 8-07-71 |
| Bee Gees |
| | |
| 21 | Spanish Harlem | 1 | 8-28-71 |
| Aretha Franklin |
| | |
| 22 | Smiling Faces, Sometimes | 1 | 9-04-71 |
| The Undisputed Truth |
| | |
| 23 | Uncle Albert Admiral Halsey | 1 | 9-11-71 |
| Paul & Linda McCartney |
| | |
| 24 | Go Away Little Girl | 1 | 9-18-71 |
| Donny Osmond |
| | |
| 25 | Maggie May | 1 | 9-25-71 |
| Rod Stewart |
| | |
| 26 | Yo-Yo | 1 | 10-23-71 |
| The Osmonds |
| | |
| 27 | Imagine | 1 | 10-30-71 |
| John Lennon Plastic Ono Band |
| | |
| 28 | Gypsys, Tramps & Thieves | 1 | 11-06-71 |
| Cher |
| | |
| 29 | Theme From Shaft | 1 | 11-20-71 |
| Isaac Hayes |
| | |
| 30 | Family Affair | 1 | 12-04-71 |
| Sly & The Family Stone |
| | |
| 31 | Brand New Key | 1 | 12-25-71 |
| Melanie |
| | |