Denise Kielholtz has five losses against five opponents on her MMA record. For a list of Kielholtz's best fights, refer to "Best fights of Denise Kielholtz".
On December 9, 2022 Denise Kielholtz faced off against Ilara Joanne in a flyweight bout at age 33. She was coming in with a record of 6-5 (5). Kielholtz lost the fight via 3-round split decision.
On May 13, 2022 Denise Kielholtz faced off against Kana Watanabe in a flyweight bout at age 33. She was coming in with a record of 6-4 (5), and Watanabe was 33 years old and with a record of 10-1-1 (5). Kielholtz lost the fight via 2nd-round submission.
On July 16, 2021 Denise Kielholtz fought Juliana Velasquez in a flyweight title fight for Velasquez' Bellator Women's World Championship title. Kielholtz was 32 years old and with a record of 6-3 (5), and Velasquez was 34 years old and with a record of 11-0 (5). Kielholtz lost the fight via 5-round split decision.
On September 21, 2018 Denise Kielholtz faced off against Veta Arteaga at age 29. She was coming in with a record of 2-2 (1). Kielholtz lost the fight via 2nd-round submission.
On October 31, 2015 Denise Kielholtz faced off against Juliete de Souza Silva at age 26. She was coming in with a record of 0-1 (0). Kielholtz lost the fight via 1st-round submission.
