Robert Fitzgerald Diggs (born July 5, 1969), better known by his stage name RZA (/ˈrɪzə/ RIZ-ə) or the RZA, is an American rapper, record producer, composer, actor, and filmmaker. He is the de facto leader of the hip-hop group Wu-Tang Clan, having produced most of the group's albums and those of its members. Known for his signature use of soul samples, sparse beats, and cinematic elements, his production style has been widely influential in hip-hop. The Source and Vibe both ranked him among the greatest hip-hop producers of all time, while NME included him on its list of the 50 Greatest Producers Ever, spanning all genres.
RZA has released solo albums under the alter-ego Bobby Digital; he was also a founding member of the horrorcore group Gravediggaz, performing as the RZArector. He has also worked extensively in film and television, composing scores for major films such as Kill Bill: Volume 1 (2003) and Kill Bill: Volume 2 (2004). He made his directorial debut with The Man with the Iron Fists (2012) and later directed Love Beats Rhymes (2017). He served as an executive producer on Wu-Tang: An American Saga (2019–2023), for which he received a Primetime Emmy Award nomination for Outstanding Original Main Title Theme Music.