'''One Small Step''' may refer to:
* "One small step for a man", a phrase spoken by Neil Armstrong as he became the first person to set foot on the Moon * ''One Small Step'' (album), an album by John Butler * ''One Small Step...'', an album by Guy Manning * ''One Small Step'' (novella), a 1990 novella by Reginald Hill * ''One Small Step: The Story of the Space Chimps'', a 2008 documentary film * "One Small Step" (''Star Trek: Voyager''), an episode of the TV series * "One Small Step", a song by Ayreon from ''Universal Migrator Part 1: The Dream Sequencer'' * "One Small Step...", an episode (S04 E19) of the TV program ''EUReKA'' * ''One Small Step'' (film), a 2018 Chinese-American animated short film * ''one small stEP'', an extended play album by American rock band Major Moment * "One Small Step" (''Doc''), a 2025 episode of ''Doc''
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