Who Are You is the eighth studio album by English rock band The Who, released on 18 August 1978 through Polydor Records in the United Kingdom and MCA Records in the United States. It peaked at number 2 on the US charts and number 6 on the UK charts. It is The Who's last album with Keith Moon as the drummer; Moon died approximately three weeks after the release of this album.
In 1996, the album was re-released in remixed form. Some of the elements from the original mixes were eliminated, including on the songs "Had Enough", "905" and "Guitar and Pen". However, "Trick of the Light" was restored to its full length at 4:45.