Crossword clues for the word: OCEANAUT The word OCEANAUT has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for OCEANAUT Showing 1 to 8 of 8 results Clue(s) Bathysphere user Cousteau, for instance Sealab dweller SEALAB inhabitant Sealab resident Skin-diver Sub tenant? Undersea explorer