Shannon Culpepper, known professionally as Shannon Sinn, is an American mixed martial artist who competes at Invicta FCin the Flyweight division and has fought 3 times for the organization.
|- |Loss |align=center|5âÂÂ8 |Kaytlin Neil |Decision (unanimous) |SFN March Madness | |align=center|5 |align=center|5:00 |Salt Lake City, Utah, United States |<small>For the SFN Flyweight Championship.</small> |- |Loss |align=center|5âÂÂ7 |Cheri Muraski |Decision (unanimous) |SCL Queen of Sparta: Flyweight | |align=center|3 |align=center|5:00 |Denver, Colorado, United States | |- |Loss |align=center|5âÂÂ6 |Sabina Mazo |Decision (unanimous) |LFA 37 | |align=center|5 |align=center|5:00 |Sioux Falls, South Dakota, United States | |- |Win |align=center|5âÂÂ5 |Heather Bassett |TKO (punches) |SCL 64: Awakening | |align=center|1 |align=center|2:50 |Denver, Colorado, United States | |- |Win |align=center|4âÂÂ5 |Katy Collins |Decision (unanimous) |LFA 21 | |align=center|3 |align=center|5:00 |Branson, Missouri, United States | |- |Loss |align=center|3âÂÂ5 |Cheri Muraski |Submission |SCL AVM 8 | |align=center|2 |align=center|3:58 |Loveland, Colorado, United States | |- |Win |align=center|3âÂÂ4 |Ashley Deen |Decision (split) |SCL 57: Dynamite | |align=center|3 |align=center|5:00 |Denver, Colorado, United States | |- |Loss |align=center|2âÂÂ4 |Jenny Liou Shriver |Submission (armbar) |SCL 49: Revenge | |align=center|3 |align=center|2:53 |Denver, Colorado, United States | |- |Loss |align=center|2âÂÂ3 |Christine Stanley |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Costa Mesa, California, United States | |- |Win |align=center|2âÂÂ2 |Maureen Riordon |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Kansas City, Missouri, United States | |- |Loss |align=center|1âÂÂ2 |Andrea Lee |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Davenport, Iowa, United States | |- |Loss |align=center|1âÂÂ1 |Alice Smith Yauger |Decision (unanimous) |SCL Heat | |align=center|3 |align=center|5:00 |Castle Rock, Colorado, United States | |- |Win |align=center|1âÂÂ0 |Courtney Himes |Submission (armbar) |SCL Army vs. Marines 5 | |align=center|1 |align=center|0:51 |Loveland, Colorado, United States | |-