Saint Christopher was an early Christian martyr.
Saint Christopher or St Christopher may also refer to:
- Saint Christopher of Trebizond, a seventh century saint venerated in Eastern Orthodoxy
- Saint Christopher island or Saint Kitts, an island in the Leeward Islands
- Saint Christopher (after van Eyck), a lost 15th-century painting by Jan van Eyck
- Saint Christopher (novella), a 1912 posthumous novella by José Maria de Eça de Queirós
- Saint Christopher (yacht), New Zealand's largest flagged private yacht
- HMS St Christopher, a ship and a shore establishment of the Royal Navy
- St. Christopher (band), a British pop band
- St. Christopher Island, an island in the Biscoe Islands of Antarctica
- St. Christopher, an album by Peter Capaldi
- Christopher Saint Booth, a horror film director and the creator of the lostwave song, Ulterior Motives (song)