Ernest Hemingway (1899–1961), nickname

some people also refer to their grandfathers as "papa".

hence, Pope in various languages

Potato in Spanish, in some dialects slang for "food"

Papa (TV series), a South Korean drama

Papa Was a Rollin' Stone, a song by Motown songwriters Norman Whitfield and Barrett Strong for The Undisputed Truth, famously covered by The Temptations in 1973.

Rangi and Papa, the primordial parents according to Māori mythology

Papa Don't Preach, a song by Madonna from her 1986 album True Blue.

Papa Lazarou, a fictional character from The League of Gentlemen.

Professional and Amateur Pinball Association

many languages (often unrelated) have words with labial consonants and open vowels as their word for "father" and "mother"; /papa/ is just one example. A discussion of this phenomenon can be found in the article Mama and papa.

P in the NATO phonetic alphabet

Papa Bouba Diop (born 1978), a football (soccer) player from Senegal.

Papar, Sabah, town located in east Malaysia on the island of Borneo.

Papa class submarine

Pápa, a town in Hungary

Papa, a monk martyred with Abda and Abdjesus

Rav Papa (?-375), a Babylonian Amora from the Talmud

affectionate for father in Latin and various Romance languages

also, Papar (Culdees), Irish monks

pāpa in Sanskrit, the concept of sin in Hinduism

François "Papa Doc" Duvalier, former President of Haiti.

Pa-Pa, a song by Finnish band The Rasmus from their album Hell of a Tester from 1998.

Papa, Scotland, the name of various islands, including Papa Stour

Papa (song), from the popular BBC film/Tv Film Gideon's Daughter.