Crossword clues for the word: NPS The word NPS has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for NPS Showing 1 to 8 of 8 results Clue(s) Certain ICU figures Certain public officers: abbr. Certifiers: Abbr. Doc. certifiers Legal officers: Abbr. Minor state officials: Abbr. Notaries: Abbr. They oversee the Grand Canyon: abbr.