Moriarty

Moriarty may refer to:

Fictional characters
 Professor Moriarty, Sherlock Holmes' worst enemy

Places
 Moriarty, New Mexico

People
 Cathy Moriarty (born 1960), actress
 Erin Moriarty (born 1994), actress
 John Moriarty (1930–2022), music conductor
 Michael Moriarty (born 1941), actor