| Annette Curtis Klause | |
| Birth Date: | June 20, 1953 |
| Birth Place: | Bristol, England |
| Occupation: | Writer, librarian |
| Nationality: | British / American |
| Education: | University of Maryland, College Park (BA, MLS) |
| Period: | 1990–present |
| Genre: | Young adult fiction |
Annette Curtis Klause (born June 20, 1953) is an English-American writer and librarian, specializing in young adult fiction. She is currently a children's materials selector for Montgomery County Public Libraries in Montgomery County, Maryland. Born in Bristol, England, she now lives in Hyattsville, Maryland with her husband Mark and their cats. She holds a Bachelor of Arts degree in English literature and a Master of Library Science degree from the University of Maryland, College Park.
Klause contributed book reviews to the School Library Journal from 1982 through 1994.