See main article: article and 2021 Nottingham Trophy.
Jocelyn Rae and Anna Smith were the defending champions, having won the previous edition in 2014,[1] however Rae had since retired from professional tennis, whilst Smith chose not to participate.
Monica Niculescu and Elena-Gabriela Ruse won the title, defeating Priscilla Hon and Storm Sanders in the final, 7–5, 7–5.