"All I Ask" is a song by English singer-songwriter Adele for her third studio album 25. The song was written by Adele, Bruno Mars, Philip Lawrence and Christopher Brody Brown, with production by The Smeezingtons. Backed by a piano, the pop torch ballad describes the singer looking for one last night with her partner, before the couple separate.

"All I Ask" received unanimous acclaim from the music critics, with praise for its lyrics, production, and Adele's vocal performance. The track peaked at number 41 on the UK Singles Chart and at number 77 on the US Billboard Hot 100. It also charted at numbers 17, 21, 66, and 65 in South Korea, Finland, France, and Australia, respectively. It was certified platinum by Music Canada (MC) and gold by the British Phonographic Industry (BPI). Adele performed it during several shows, including The Ellen DeGeneres Show and the 58th Annual Grammy Awards, both in February 2016. It was performed on selected dates during her Adele Live 2016 tour.