| Harold Oliver Gulliksen | |
| Birth Date: | 18 July 1903 |
| Birth Place: | Washington[1] |
| Death Place: | Princeton, New Jersey |
| Nationality: | American |
| Fields: | Psychology |
| Workplaces: | Princeton University |
| Alma Mater: | University of Chicago University of Washington |
| Doctoral Advisor: | Louis Leon Thurstone |
| Doctoral Students: | Michael Friendly Howard Wainer James Ramsay |
Harold Oliver Gulliksen (July 18, 1903 – October 27, 1996) was an American psychologist. A professor at Princeton University for most of his academic career, Gulliksen pioneered in the field of psychometrics.[2] In 1952 he was elected as a Fellow of the American Statistical Association.[3]