O'Hooley & Tidow are an English folk music duo from Yorkshire. Singer-songwriter Heidi Tidow performs and records with her wife, singer-songwriter and pianist Belinda O'Hooley, who was formerly a member of Rachel Unthank and the Winterset. O'Hooley & Tidow were nominated for Best Duo at the 2013 BBC Radio 2 Folk Awards. Their 2016 album Shadows was given a five-star review in The Guardian, and four of their other albums, including their 2017 release WinterFolk Volume 1, have received four-star reviews in the British national press. From 2019 to 2022, their song "Gentleman Jack", from the album The Fragile, featured as the closing theme for the BBC/HBO television series Gentleman Jack. Their album Cloudheads was released on 21 April 2023.

Belinda O'Hooley is a singer-songwriter and pianist from Yorkshire, England. Formerly a member of Rachel Unthank and the Winterset, she now records and performs as O'Hooley & Tidow with her wife Heidi Tidow.