UNOS, Unos or unos may refer to:
United Network for Organ Sharing, a non-profit, scientific and educational United States-based organization dedicated to organ donation and transplant UNOS (operating system), a discontinued 32-bit Unix-like real-time operating system Uno Pizzeria & Grill, a United States-origin franchised pizzeria restaurant chain
See also UNO (card game) Uno (disambiguation) ¡Uno!