Domesticus (Latin for belonging to the house), is found in the binomial or trinomial names of many species or subspecies of animals commonly found in or around the home. Examples include:
- Domesticus (Roman Empire), a member of the Domestici, an elite guard unit of the late Roman Empire
- Agroecius Domesticus, a man of uncertain date who died at the age of 33, and was buried in Vienne
- Secretarius Domesticus, a title in the Secretariat of State of the Holy See
- Silvanus domesticus, a mark of a field in Roman mythology
Read more about Domesticus: Species