Police said Mr Fisher, whose books included Sea Fishing - River Cottage Handbook, was last seen in his home village of Hooke, west Dorset.
TV chef Hugh Fearnley-Whittingstall had appealed for help in finding his friend.
Hugh Fearnley-Whittingstall aided appeal for Fisher, whose Nissan Navara was last seen in Dorchester, say police.
Writer and broadcaster Nick Fisher was last seen with his dog in Dorset on Tuesday afternoon.
Police officers have found a body during the search for Bafta-winning TV writer Nick Fisher, who went missing with his dog.
A body has been found in the search for an award-winning TV writer who went missing from west Dorset.
The celebrity chef previously appealed for help in finding his 'very dearest friend'.
Officers say formal identification still needs to be conducted and the death is not being treated as suspicious at this time.
Dorset Police announced earlier today that a body had been found in the search for a missing man.
Tributes have poured in after police found a body in Dorchester on Thursday morning believed to be that of Bafta-winning scriptwriter and author Nick Fisher ...
While formal identification has not yet taken place, the body is believed to be that of Nick Fisher and his family has been informed. The death is not being ...