Crossword clues for the word: JOHNNYMNEMONIC The word JOHNNYMNEMONIC has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for JOHNNYMNEMONIC Showing 1 to 1 of 1 results Clue(s) 1995 film starring Keanu Reeves, based on a short story by 44-Across: 2 wds.