Stories include slash or het pairings that include Buck with three or more canon characters, original characters, or unknown characters, and may also include additional slash pairings, het pairings, or multiple partner groups (not indicated).
| TITLE/AUTHOR | UNIVERSE | NOTES | THREESOME (or more) |
| Alpha, Beta, Gamma - Firefly | AU | Two-Blood AU | Buck / Chris / Vin |
| An Affair To Remember (Pt 2) - Finnigan Geist | Old West | Pt 1 under Vin Threesomes | Buck / Nathan / Vin |
| Aspirations Of Angels And The Instincts Of Beasts - Farad | AU | 'Shadowriders' AU | Buck / Chris / Vin |
| Barflies - Kim | AU | Escorts AU | Buck / Chris / Vin |
| Chances - Helen Adams | ATF | Series | Buck / Chris / Ezra |
| Charmed - Leila | AU | Escorts AU | Buck / Chris / Vin |
| Choices - TJ | ATF | Buck / Chris / Vin / OFC | |
| Colors - Moonpuppy | ATF | Buck / Chris / Vin | |
| Embarrassed - Annie | ATF | Buck / Chris / Vin | |
| Etched in Silver - Farad | AU | 'Shadowriders' AU | Buck / Chris / Vin |
| Fear Takes Control - Wgang | ATF | Buck / Chris / Vin | |
| Fighting Smoke - Charlotte C. Hill & Farad | AU | Skip Trace AU | Buck / Chris / Vin |
| Fission - Farad | AU | Series | Buck / Chris / Vin |
| Fluctuations - Farad | Old West | Series | Buck / Chris / Vin |
| Four Play - Texas Aries | AU | Series. Dallas Central AU | Buck / Chris / Ezra / Vin |
| FOUR PLAY (Collection) - TexasAries | ATF | Chris / Vin / Buck / Ezra | |
| Go Team - Kaed | ATF | Buck / Chris / Vin | |
| Homecoming - Maygra | AU | Skip Trace AU | Buck / Chris / Vin |
| Ideas - Tiffiny | ATF | Buck / Chris / Vin | |
| JD's Story: Settling In - Stan Lee | AU | Escorts AU | Buck / Chris / Vin / JD |
| Keep On Keeping On - Charlotte C. Hill | AU | Skip Trace AU | Buck / Chris / Vin |
| Love and Honour - Susan Foster | ATF X-Over | Deadly Angel AU. ATF / Sentinel X-Over | Buck / Chris / Ezra / Vin |
| Making Amends - Aramis | ATF | Buck / Chris / Vin | |
| Matchmaker - Sabro | Old West | Buck / Ezra / Vin | |
| Naughty Game - Dreamer | ATF | Buck / JD / Mary | |
| New Blood Makes A Threesome - Wgang | ATF | Buck / Chris / Vin | |
| New Blood Makes A Threesome 2 - Wgang | ATF | Buck / Chris / Vin | |
| Old Friends And New - Ashlyn | Old West | Buck / Chris / Vin | |
| On This Day - Artisan447 | Old West | Buck / Chris / Vin | |
| One Good Turn - Stan Lee | AU | Escorts AU | Buck / Chris / OMC |
| One Man's Hero - Sammy Girl | AU | Two-Blood Universe. AV | Buck / Ezra / Vin |
| Salt-Laden Whispers In The Wounds Of Night - Farad | AU | Buck / Chris / Vin | |
| Second Chance - Susan Foster | Old West AU | The Gambler & The Renegade AU | Buck / Chris / Ezra / Vin |
| Shadow Riders - Maygra | AU | Shadow Riders AU Series | Buck / Chris / Vin |
| Sublimation - Stan Lee & Eclipse | AU | Escorts | Buck / Chris / Vin |
| The Little Drummer Boy - C.V. Puerro | ATF | 12 Days of Christmas Collection | Buck / Ezra / JD |
| Three of Hearts - Joanne Collins | Old West | Series | |
| Three's Company - Wendy J | ATF | Buck / Chris / Vin | |
| Tumbling Out,... - mcat | ATF | Series | Buck / Chris / Vin |
| Two's Company, Three's... - mcat & Suzy | Old West | Buck / Chris / Vin | |
| Unspoken - Maygra | AU | Skip Trace AU | Buck / Chris / Vin |
| Vin Helps A Desperate Buck - Wgang | ATF | Buck / Chris / Vin | |
| Vin's Birthday Surprise - Wgang | ATF | Sequel to 'New Blood Makes a Threesome' | Buck / Chris / Vin |
| Weighty Issues - Evil Jacquie | ATF | Buck / Chris / Vin | |
| When A Man Loves... - Kaed | ATF | Buck / Chris / Vin | |
| Who's Game - Sabro | Old West | Buck / Chris / Vin |