Named after Aleksandr Iakovlevich Orlov - Soviet astronomer (1880-1954) and Sergei Vladimirovich Orlov - Soviet astronomer (1880-1958).
Orlov is a lunar impact crater. It is located , to the northeast of the larger crater Leeuwenhoek. To the north-northwest is De Vries, and to the east-southeast is Rumford. This crater lies between two larger satellite craters. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.