Stephen Patrick Mackey (10 November 1966 – 2 March 2023) was an English musician and record producer best known as the bass guitarist for the Britpop band Pulp, which he joined in 1989.

In his early years he attended Hucklow First and Middle Schools with friend Richard Hawley, who would later play with Pulp as a touring musician.

After an 8-year hiatus Mackey returned to activity with Pulp in 2010 and their subsequent world tours in 2011 and 2012[4] and the release of their single "After You", working with producer James Murphy of LCD Soundsystem.

[17] In 2005, Mackey played a cameo role as one of The Weird Sisters, a wizarding rock band in the film Harry Potter and the Goblet of Fire.

[18] In 2006, Mackey and Cocker curated an acclaimed 2 CD compilation called The Trip featuring music from various eras including Moondog, Carl Orff, The Birthday Party, The Fall and the theme to Radio 4's Shipping Forecast.

[19] From 2003 to 2008, Mackey co-curated the music program of London's annual Frieze International Art Fair, which included performances from Karlheinz Stockhausen, Sunn O))), Glenn Branca, and Rodney Graham.

[21] In 2016, he began the Call This Number guerrilla TV project with Jeannette Lee, formerly of Public Image Ltd. and Douglas Hart, former bassist of the Jesus and Mary Chain, making erratic film broadcasts from a North London garage.

Artists he recorded for this included Jon Spencer Blues Explosion, Dennis Bovell, Sleaford Mods, Primal Scream, and Gruff Rhys.