William Arthur "Bill" Reiss (born May 4, 1976; Minooka, Illinois, U.S.) is a former SpongeBob SquarePants crew member (1999 - 2005, 2021). In his earlier years, he was teamed with Jay Lender as a storyboard artist and writer, but he was later teamed with Paul Tibbitt, Walt Dohrn, Kaz, and Kent Osborne as a storyboard artist.

He is best known for collaborating with former SpongeBob writer C.H. Greenblatt, to serve as creative director on his cartoon Chowder.

They later worked as directors for Fish Hooks, which he co-developed with Alex Hirsch and Noah Z. Jones for Disney Channel. After Fish Hooks, he worked on Mickey Mouse as a writer, storyboard artist and director.

In 2016, Reiss worked on C.H. Greenblatt's new series for Nickelodeon, Harvey Beaks.

He was credited as:assistant storyboard artist, storyboard artist, storyboard director, writer.