| Katharine McPhee | Over It | — | 85 | Top 40 | RCA Records | 2007 |
| Katharine McPhee | Love Story | — | 111 | Top 40 | 19/S/RCA | 2007 |
| Katharine McPhee | Love Story | Album Version | 111 | — | 19/S/RCA Records | 2007 |
| Katharine McPhee | Over It | Album Version | 85 | — | 19/S/RCA Records | 2007 |
| Katharine McPhee | Over It | Funk Generation Radio Edit | 133 | — | 19/S/RCA Records | 2007 |
| Katharine McPhee | Had It All | — | 75 | Top 40 | Verve | 2009 |
| Katharine McPhee | It's Not Christmas Without You | — | 86 | Top 40 | Verve/Universal | 2010 |
| Katharine McPhee | Touch Me | Jump Smokers Extended Mix | 128 | — | Columbia | 2012 |
| Katharine McPhee | Night And Day | — | 90 | Top 40 | — | 2018 |