Wallengren is a surname. Notable people with the surname include:
*
Axel Wallengren (1865–1896), Swedish author, poet, and journalist
*
Hans Daniel Johan Wallengren (1823–1894), Swedish clergyman and entomologist
*
Orma W. Wallengren
Orma W. Wallengren, also known as Claire Whitaker and Claire Whitaker Peterson, was the author of the screenplay of Latter-day Saint films ''Johnny Lingo'' and '' Man's Search for Happiness''. Under the name of Clair Whitaker she was a writer for ...
, American screenwriter
{{surname