A chapter in the novel Ulysses by James Joyce

A nickname of NS-series robots in the series of short-stories and film I, Robot

Néstor, a fictional penguin from the film Happy Feet

Néstor Kirchner (born 1950), President of Argentina

Nestor Makhno (1888-1936), 20th-century Ukrainian anarcho-communist

Nestorianism, a doctrine that Jesus exists as two persons, one divine and the other human

Nestorius (c.386–c.451), Patriarch of Constantinople, 428-431

Nestor (mythology), the son of Neleus, the King of Pylos and Chloris in Greek mythology

Nester, a character associated with Nintendo

Nestor, The Long-Eared Christmas Donkey, a Christmas television program

Nestor, a character in the animated television series Shorty McShorts' Shorts

Nestor the Chronicler (c.1056-c.1114), reputed author of the earliest East Slavic chronicle

Nestor (genus), a genus of parrots in ornithology

Nestor (Tintin character), from The Adventures of Tintin series of comic books by Hergé

Nestor Carbonell (born 1967), American actor

Nestor (solitaire), a card game

Nestor Burma, created by French crime novelist Léo Malet

Nestor Project, an international scientific collaboration for the deployment of a neutrino telescope

Nestoras, Messenia, Greece

Nestor García (born 1975), Uruguayan marathon runner

Saint Nestor, Catholic saint

Nestor (given name)