Wishmaster is the third studio album by Finnish symphonic metal band Nightwish. It was released on 8 May 2000 through Spinefarm Records in Finland. The album was released in the rest of Europe by Drakkar Entertainment on 29 May, and in Japan by Toy's Factory on 19 July. In the US, it was released by Century Media on 6 February 2001.

Wishmaster peaked at No. 1 in the official Finnish charts; the album also debuted in the European charts at No. 21 in Germany and No. 66 in France. Wishmaster has sold more than 79,447 copies in Finland alone, and as of January 2023, more than 150,000 copies have been sold in Germany alone, certifying the album 1x Gold. In 2019, Metal Hammer ranked it as the 18th best power metal album of all time.

Most reissues of the album contain the song "Sleepwalker", which was released in July 2000 to compete in the Finnish national final for the Eurovision Song Contest 2000.