Bellator 297: Nemkov vs. Romero was a mixed martial arts event produced by Bellator MMA that took place on June 16, 2023, at the Wintrust Arena in Chicago, Illinois, United States. A Bellator Light Heavyweight Championship bout between current champion Vadim Nemkov and Yoel Romero headlined the event. The co-main event, a Bellator Bantamweight Championship bout between current champion Sergio Pettis and the current Bellator Featherweight Champion Patrício Pitbull (also former Bellator Lightweight Champion) took place.

Bellator 297: Nemkov vs. Romero

Yaroslav Amosov vs. Logan Storley (Welterweight)  Pedro Carvalho vs. Jeremy Kennedy (Featherweight)  Peter Queally vs. Bryce Logan (Lightweight)  Sinead Kavanagh vs. Janay Harding (Featherweight)  Ciarán Clarke vs. Leonardos Sinis (Catchweight 149 lbs)