Primitivus

Primitivus may refer to:

Saints

 * Saint Primitivus, Roman Christian martyr, son of Symphorosa, died in 138
 * Saint Primitivus, Spanish Christian martyr, one of Facundus and Primitivus, died in 300

Animals

 * Primitivus manduriensis, extinct species of reptile belonging to the family Dolichosauridae

Software

 * Text-based user interface in Linux software Libervia