Gulafjorden is a fjord in Gulen Municipality in Vestland county, Norway.

The 8-kilometre (5.0 mi) long fjord flows from the Sognesjøen strait to the east towards the mainland.

The islands of Byrknesøyna, Mjømna, and Sandøyna lie along the southern side of the fjord.

The village of Eivindvik, the municipal centre of Gulen lies on the mainland, along the northern coast of the fjord.

When you measure distance of the main fjord and the Austgulfjorden (the longest of its branches), it is 22 kilometres (14 mi) long.