Roshan Khan, an official of the Customs Department, was passing through Khuzdar city when armed men intercepted his vehicle and took him away to an unknown location, police officials said.
Police has launched a search for the official.
No group has claimed responsibility for the abduction.
Balochistan has witnessed a sudden surge in violence ahead of the May 11 general election.
Six persons have been killed and over 50 injured in six bomb attacks in the provincial capital of Quetta since last evening.