One Small Step

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