Prop or props may be:

• Loosehead or tighthead prop, positions in rugby union
• Prop forward, a position in rugby league
• Propeller
• Theatrical property, a portable item used in performances; also applies to film and television productions
• PRO (category theory) — a concept in mathematics.
• Shorthand for proposition bet
• Props, "proper respects" or "proper recognition;" an element of hip hop and rap sub-culture