Thirty Day Princess
- Blwyddyn: 1934
- Gwlad: United States of America
- Genre: Comedy, Romance
- Stiwdio: Paramount Pictures, B.P. Schulberg Productions
- Allweddair: princess, look-alike, loan, pre-code, impersonation
- Cyfarwyddwr: Marion Gering
- Cast: Sylvia Sidney, Cary Grant, Edward Arnold, Henry Stephenson, Vince Barnett, Edgar Norton