August Koehler
August Köhler is the name of the following people:
- August Köhler (teacher) (1821–1879), German kindergarten teacher
- August Köhler (theologian) (1835–1897), German Lutheran theologian
- August Köhler (governor) (1858–1902), German colonial official, governor of Togoland
- August Köhler (optician) (1866–1948), German physicist and optician
- August Köhler (painter) (1881–1964), German painter