Dirty Business may refer to:
Books Dirty Business, by William Mastrosimone Dirty Business, by Ovid Demaris
Film and television Watermen: A Dirty Business, a 2014 BBC six-part series "Dirty Business" (Garfield and Friends), 1990 episode Dirty Business, a 2026 Channel 4 three-part docudrama series Dirty Business, documentary by the Center for Investigative Reporting
Music "Dirty Business", a song by New Riders of the Purple Sage from their eponymous album "Dirty Business", a song by Sara Jorge from R3MIX "Dirty Business", a song by Widespread Panic from Live at Myrtle Beach