Crossword clues for the word: TONKIN The word TONKIN has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for TONKIN Showing 1 to 10 of 10 results Clue(s) "Gulf of ___, next to Hainan island" "Most of North Vietnam, to outsiders" 1964's ___ Gulf Resolution China Sea gulf Gulf of ___ Resolution: 1964 legislation Gulf of the South China Sea Hanoi's region Northern region of Vietnam Part of French Indochina Region of French Indochina