| Artist | Title | Episode | Scene | CD |
| Rainbow Club | Treasure | 116 | Liberty Diner - Michael's no boytoy | x |
| Raje | Worship You | 209 | Babylon/back room | x |
| Rank 1 (Michael T. Diamond Remix) | Such Is Life | 207 | Brian stirs up trouble?cgang meets | x |
| RCA Italiana Orchestra and Chorus | Giusto ciel! In tal periglio | 119 | The Funeral - Brian Smokes | x |
| Recon | Cultural Year Zero | 115 | Leather Demonstration | x |
| REO Speedwagon | Can't Fight This Feeling | 410 | End Credits | x |
| Republica | Ready To Go | 311 | Brian and Justin having sex at the loft | x |
| Reverend Brad & The Rainbow Voices | Put On Your Sunday Clothes | 216 | Emmett & the healing power of song | x |
| Richard Grey featuring Golden Touch | Love Is All We Need (Hott 22 Remix) | 506 | Gym - Ted Hooks Up with Troy | x |
| Rigoletto | La Donna e Mobile | 404 | Restaurant - Ted The Singing Waiter | x |
| Rinocerose | La Guitaristic House Organisation | 113 | Brian & Kip at his Loft | x |
| Rinocerose | Radiocapte | 115 | Liberty Diner - Guys Hanging Out | x |
| Robbie Rivera featuring Billy Paul | Sex (Club Mix) | 402 | Brian @ Slings & Eros / Gym - Brian & Ben & Hunter | x |
| Robert Palmer | Bad Case Of Loving You (Doctor Doctor) | 109 | Dr. Dave asks Michael to Move In / End Credits | x |
| Robin Black | More Effeminate Than You | 101 | Brian and Michael in Jeep | x |
| Robin Black and the Intergalactic Rock Stars | Some of You Boys (and Most of You Girls) | 214 | Boys get pulled over | x |
| Rod Stewart (N-Trance feat) | Da Ya Think I'm Sex? | 109 | Em & Ted at Babyon | x |
| Roger Webb | Continental Impressions | 105 | Dinner with David and Michael | x |
| Ron Sexsmith | These Days | 213 | Diner - The boys discuss Debbie's flame | x |
| Ron Sexsmith (feat. Chris Martin from Coldplay) | Gold In Them Hills | 213 | End Credits | x |
| Ron Sexsmith featuring Chris Martin from Coldplay | Gold In Them Hills | 213 | Tail Credits | x |
| Rosabel | The Power | 120 | Babylon - Ted wants to be with Blake | x |
| Rosemary Clooney | Come On To My House | 305 | Jen shows Ted & Emmett houses | x |
| Rossini's Il Barbiere di Siviglia | Largo al factotum | 403 | Bad Singer Trys Out | x |
| Roy Davis Jr. | Watch Them Come | 113 | Matt & Emmett at coffee shop | x |
| Ruff Driverz | Deeper Love | 101 | Justin on Liberty Ave. | Queer As Folk: The Whole Love Thing. Sorted |
| Rufus Wainwright | Poses | 216 | Brian stops to smell roses / End Credits | x |
| Rui DeSilva | Touch Me | 117 | Party Scene - Michael Talks to David | x |
| Rupaul | Looking Good, Feeling Gorgeous | 502 | Ted Looking In The Mirror | x |