| Shannon Sinn | |
| Birth Name: | Shannon Culpepper |
| Birth Date: | 1990 11, mf=y |
| Weight: | 115lb |
| Weight Class: | Flyweight (MMA) |
| Reach: | 68inches |
| Box Win: | 1 |
| Box Draw: | 1 |
| Kickbox Win: | 1 |
| Mma Kowin: | 1 |
| Mma Subwin: | 1 |
| Mma Decwin: | 4 |
| Mma Subloss: | 2 |
| Mma Decloss: | 6 |
| Boxrec: | 768683 |
| Sherdog: | 84185 |
Shannon Culpepper,[1] known professionally as Shannon Sinn, is an American mixed martial artist who competes at Invicta FC in the Flyweight division and has fought 3 times for the organization.[2] [3]
|-|Loss|align=center|5–8|Kaytlin Neil|Decision (unanimous)|SFN March Madness||align=center|5|align=center|5:00|Salt Lake City, Utah, United States|For the SFN Flyweight Championship.|-|Loss|align=center|5–7|Cheri Muraski|Decision (unanimous)|SCL Queen of Sparta: Flyweight||align=center|3|align=center|5:00|Denver, Colorado, United States||-|Loss|align=center|5–6|Sabina Mazo|Decision (unanimous)|LFA 37||align=center|5|align=center|5:00|Sioux Falls, South Dakota, United States||-|Win|align=center|5–5|Heather Bassett|TKO (punches)|SCL 64: Awakening||align=center|1|align=center|2:50|Denver, Colorado, United States||-|Win|align=center|4–5|Katy Collins|Decision (unanimous) |LFA 21||align=center|3|align=center|5:00|Branson, Missouri, United States||-|Loss|align=center|3–5|Cheri Muraski|Submission |SCL AVM 8||align=center|2|align=center|3:58|Loveland, Colorado, United States||-|Win|align=center|3–4|Ashley Deen|Decision (split)|SCL 57: Dynamite||align=center|3|align=center|5:00|Denver, Colorado, United States||-|Loss|align=center|2–4|Jenny Liou Shriver|Submission (armbar)|SCL 49: Revenge||align=center|3|align=center|2:53|Denver, Colorado, United States||-|Loss|align=center|2–3|Christine Stanley|Decision (unanimous)|Invicta FC 17: Evinger vs. Schneider||align=center|3|align=center|5:00|Costa Mesa, California, United States||-|Win|align=center|2–2|Maureen Riordon|Decision (unanimous)|Invicta FC 12: Kankaanpää vs. Souza||align=center|3|align=center|5:00|Kansas City, Missouri, United States||-|Loss|align=center|1–2|Andrea Lee|Decision (unanimous)|Invicta FC 9: Honchak vs. Hashi||align=center|3|align=center|5:00|Davenport, Iowa, United States||-|Loss|align=center|1–1|Alice Smith Yauger|Decision (unanimous)|SCL Heat||align=center|3|align=center|5:00|Castle Rock, Colorado, United States||-|Win|align=center|1–0|Courtney Himes|Submission (armbar)|SCL Army vs. Marines 5||align=center|1|align=center|0:51|Loveland, Colorado, United States||-