Wittrockfjellet is a mountain in Nathorst Land at Spitsbergen, Svalbard.
It is named after Swedish botanist Veit Brecher Wittrock.
The mountain is located at the northern side of Van Keulenfjorden.
[1] It has a length of about 3.5 kilometers, and its highest peak is 931 m.a.s.l.
[2] The valley of Wittrockdalen separates Wittrockfjellet from the ridge of Brogniartfjella.