- Country: USA
- Genres: Comedy
- Release: 1971-09-21
- Director: William A. Graham
- Writers: Stanley Z. Cherry
- Language: English
- Stars: Bill Bixby , Diane Baker , Jack Albertson , Ann Sothern , Karen Jensen , Darrell Larson , Jeff Donnell , Tom Bosley (I) (1927–2010) , Robert H. Harris , Judy Strangis
- Runtime: 73 min
- Awards: N/A
- AKA: Enhorabuena, ¡ha sido niño! (Spain) , Né de père inconnu (Canada) , So's Your Old Man! , Congratulations, It's a Boy! , Congratulations, It's a Boy! (United States of America) , Vater wider Willen , Né de père méconnu (France, French Republic)
- Plot: A bachelor's life is interrupted by the appearance of a teenager who claims to be his son.
- IMDB:tt0066942
Congratulations, It’s a Boy! Cast · · · ALL
William A. Graham
Director
Bill Bixby
Johnny Gaines
Diane Baker
Eydie
Jack Albertson
Al Gaines
Ann Sothern
Ethel Gaines
Karen Jensen
Rhonda Lewis
Darrell Larson
B.J.
Jeff Donnell
Rose
Tom Bosley
(I)
(1927–2010)
Herb
Robert H. Harris
Ben Beigelman
Judy Strangis
Riva