The 2018 Birmingham Classic (also known as the Nature Valley Classic for sponsorship reasons) was a women's tennis tournament played on outdoor grass courts.

It was the 37th edition of the event, and a Premier tournament on the 2018 WTA Tour.

It was contested at the Edgbaston Priory Club in Birmingham, United Kingdom, 18 - 24 June 2018.

Petra Kvitová successfully defended its 2017 singles title.

*per team The following players received wildcards into the main draw: The following players received entry from the qualifying draw: The following pair received a wildcard into the doubles main draw: