| Named By: | P. D. Gingerich et al in 2001 |
| Time Period: | Middle Eocene |
| Location: | Pakistan, Domanda Formation |
| Size: | Total length uncertain. Skull is 65 centimetres long |
| Diet: | unavailable |
| Fossil(s): | Several specimens of partial remains |
| Classification: | | Chordta | Mammalia | Cetacea | Archaeoceti | Protocetidae | Protocetinae | |
| Also known as: | | Qaisracetus spinalis | |
Qaisracetus is an extinct protocetid early whale known from the Eocene (Lutetian, 48.6 to 40.4 million years ago) of Baluchistan, Pakistan (31.0degN 70.2degE / 31.0; 70.2, paleocoordinates 12.4degN 65.7degE / 12.4; 65.7).