Crossword clues for the word: BIA The word BIA has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for BIA Showing 1 to 4 of 4 results Clue(s) Fed. agency whose current Commissioner is Larry Echohawk Sister of Nike U.S. agency that oversees tribal lands U.S. tribal-relations org.