Cudahy
Cudahy is an Irish surname, related to the name "Cuddihy" and is native to Counties Cork and Tipperary. The Irish form of this name would be written as Ó Cuidighthigh (male) or Ní Chuidighthigh (female). It may refer to:

Surname
 Edward Cudahy Jr. (1885–1966), American kidnapping victim; M. Cudahy's nephew
 John Cudahy (1887–1943), American real estate developer and diplomat
 Michael Cudahy (electronics) (born 1924–2022), American entrepreneur
 Michael Cudahy (industrialist) (1841–1910), American founder of Cudahy Packing Company
 Patrick Cudahy (1849–1919), American industrialist
 Richard Dickson Cudahy (1926–2015), American jurist

Places
 Cudahy, California
 Cudahy, Wisconsin

Other
 Cudahy Packing Company