| Named By: | W. B. Benham in 1937 |
| Time Period: | Late Oligocene. 24.2-23.6 Ma |
| Location: | New Zealand - Kokoamu Greensand Formation |
| Size: | Unavailable |
| Diet: | Carnivore |
| Fossil(s): | Partial remains of a few individuals |
| Classification: | | Chordata | Mammalia | Cetacea | Mysticeti | Balaenopteridae | |
| Also known as: | | Lophocephalus parki | |
Mauicetus is a genus of extinct baleen whale from the Late Oligocene of New Zealand.