SHIMMER Women Athletes Volume 18 was the eighteenth SHIMMER event to be recorded by SHIMMER Women Athletes, the event took place on April 26, 2008 at the Eagles Club in Berwyn, Illinois. This was the second of two events recorded, the first event being the previous volume SHIMMER Women Athletes Volume 17.
- Numbers in parentheses indicate the length of the match.
- Shark Girl defeated Amber O'Neal
- Nicole Matthews defeated Lorelei Lee
- Daizee Haze defeated Jetta
- The Experience (Lexie Fyfe & Malia Hosaka) defeated Danyah & Jennifer Blake
- Ariel defeated Cat Power
- Mercedes Martinez defeated Cindy Rogers
- Ashley Lane & Nevaeh defeated Minnesota Home Wrecking Crew (Lacey & Rain)
- Amazing Kong defeated Wesna Busic
- Cheerleader Melissa defeated Sarah Stock
- MsChif defeated Sara Del Rey (c) to retain the SHIMMER Championship