Szolnok-Doboka was an administrative county (comitatus) of the Kingdom of Hungary.

Its area was 4,786 square kilometres (1,848 sq mi) around 1910.

In 1920, by the Treaty of Trianon, the county became part of Romania, except from 1940 until the end of World War II, when it was returned to Hungary by the Second Vienna Award, with a slightly modified territory.

Dej), Maramureș (the north), Bistrița-Năsăud (the east) and Sălaj (the west).

In the early 20th century, the subdivisions of Szolnok-Doboka county were: