Kalar
- Appearance: Mammalian; skin tones range from sallow green to dark brown, ears range from rounded to slightly pointed
- Branch of the Zami, though generally larger, stronger (ENT Novel: Tower of Babel)
- Homeworld: Rigel IV
- Full population forcably resettled on Rigel VII c. mid-13th century (ENT Novel: Tower of Babel)
- Copper-based blood
- Distantly related to Vulcans
- Descendant of the peoples of the Arret Empire
- Generally aggressive (ENT Novel: Tower of Babel)
- Terrorized the Zami throughout their shared history, prompting Zami to ask the Jelna to resettle them (ENT Novel: Tower of Babel)