"Stay" is a song by UK-based pop act Shakespears Sister, released in January 1992 by London Records as the second single from their second album, Hormonally Yours (1992). The single was written by Siobhan Fahey, Marcella Detroit, and Dave Stewart, and became a massive hit. It is the duo's first and only number-one single in numerous territories, including the UK, where it topped the UK Singles Chart for eight consecutive weeks and was the fourth-biggest-selling single of 1992. "Stay" also reached No. 1 in Sweden and in band member Siobhan Fahey's birthplace, Ireland. It was a transatlantic hit as well, reaching No. 4 on both the US Billboard Hot 100 and the Canadian RPM 100 Hit Tracks chart. Its music video was directed by Sophie Muller and drew inspirations from the 1953 film Cat-Women of the Moon. At the 1993 Brit Awards "Stay" won the award for British Video of the Year.

Siobhan Maire Fahey is an Irish singer whose vocal range is a light contralto. She was a founding member of the British/Irish girl group Bananarama, who have had ten top-10 hits including the US number one hit single "Venus". She later formed the Brit Award- and Ivor Novello Award-winning musical act Shakespears Sister, who had a UK number one hit with the 1992 single "Stay". Fahey joined the other original members of Bananarama for a 2017 UK tour, and, in 2018, a North America and Europe tour.