Lathrop may refer to:
- places:
- Lathrop, California, city in San Joaquin County, California, United States
- Lathrop, Missouri, city in Clinton County, Missouri, United States
- Lathrop Township, Pennsylvania, Susquehanna County, Pennsylvania, United States
- people:
- Austin E. Lathrop (1865-1950), American industrialist
- Barbour Lathrop (1847-1927), American philanthropist
- Dorothy P. Lathrop (1891-1980), American author and illustrator
- Francis Lathrop (1849-1909), American artist
- George Parsons Lathrop (1851-1898), American poet and novelist
- John Lathrop (1584-1653), English minister
- John Hiram Lathrop (1799-1866), first president of both the University of Missouri and the University of Wisconsin as well as president of Indiana University.
- Julia Lathrop (1858-1932), American social reformer
- Philip H. Lathrop (1912-1995), American cinematographer
- Rose Hawthorne Lathrop (1851-1926), American Roman Catholic nun and social worker
- Steve Lathrop (born 1957), American politician
- William Langson Lathrop (1859-1938), American landscape painter
- other:
- Lathrop High School, public high school in Fairbanks, Alaska, United States