Thirty Day Princess
- Jahr: 1934
- Land: United States of America
- Genre: Komödie, Liebesfilm
- Studio: Paramount Pictures, B.P. Schulberg Productions
- Stichwort: princess, look-alike, loan, pre-code, impersonation
- Direktor: Marion Gering
- Besetzung: Sylvia Sidney, Cary Grant, Edward Arnold, Henry Stephenson, Vince Barnett, Edgar Norton