WOR or Wor may refer to:

Julian Miles "Jools" Holland OBE, DL (born 24 January 1958) is an English pianist, bandleader, singer, composer, and television presenter. He was a founder of the band Squeeze (1974-1980 & 1985-1990) and his work has involved him with many artists including Sting, Eric Clapton, George Harrison, David Gilmour, Magazine and Bono.

Holland is a published author and appears on television shows besides his own and contributes to radio shows. In 2004, he collaborated with Tom Jones on an album of traditional R&B music. He currently hosts Later... with Jools Holland, a music-based show aired on BBC2, on which his annual show Hootenanny, is based.

His great grandfather came from Ireland.

Holland played as a session musician before finding fame, and his first studio session was with Wayne County & the Electric Chairs in 1976 on their track "F*ck Off."

Holland was a founding member of the British pop band Squeeze, formed in March 1974, in which he played keyboards until 1981 and helped the band to achieve millions of record sales, before pursuing his solo career.