Crossword clues for the word: GIACOMO The word GIACOMO has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for GIACOMO Showing 1 to 7 of 7 results Clue(s) 2005 Kentucky Derby winner Adventurer Casanova Casanova's first name Composer Puccini Composer Puccini or Meyerbeer Opera's Puccini Puccini.