brown #
= weekly rock chart peak
blue #
= pop chart peak
| 1 | I Don't Know | 1952 |  |
| Willie Mabon And His Combo |
| 2 | I Don't Know | 1953 | |
| Buddy Morrow And His Orchestra with Frank Lester |
| 3 | I Don't Know | 1956 | |
| James Brown With The Famous Flames |
| 4 | I Don't Know | Nov 1959 | |
| Ruth Brown |
| 5 | I Don't Know | Sep 1964 | |
| Steve Alaimo |
| 6 | I Don't Know | Apr 1968 | |
| The Violinaires |
| 7 | I Don't Know | Mar 1969 | |
| The Esquires |
| 8 | I Don't Know | Oct 1969 | |
| Baby Washington |
| 9 | I Don't Know | Dec 1974 | |
| Bobby Womack |
| 10 | I Don't Know | May 1981 | |
| Ozzy Osbourne |
| 11 | I Don't Know (What To Do About You) | Nov 1987 | |
| Lanier & Co. |
| 12 | I Don't Know | Dec 1989 | |
| Michael Morales |
| 13 | I Don't Know | Aug 2001 | |
| Usher Featuring P. Diddy |
| 14 | I Don't Know | Aug 2001 | |
| Honeyz |
| 15 | I Don't Know | 2001 | |
| Hank Williams III |
| 16 | I Don't Know | 10 | Jan 2005 | |
| Lostprophets |
| 17 | I Don't Know | Apr 2009 | |
| Lisa Hannigan |
| 18 | I Don't Know | Oct 2011 | |
| The Sheepdogs |
| 19 | I Don't Know | May 2014 | |
| Meek Mill |
| 20 | I Don't Know | Jan 2018 | |
| Vivian Green |