Kwartus () yaiku panganut greja perdana sing diarani ing Alkitab. Miturut tradisi greja, ia dikenal minangka Kwartus saka Beritus lan menika salah sijining saka pitung puluh murid. Kajaba iku, ia dadi Biskop Beirut lan didera amargi imane. Ia ngowahi akeh wong menyang iman Kristen. Dina rayane menika 10 November.

Referensi

Pranala jaba 
 Apostle Quartus of the Seventy (OCA)
 Erastos, Olympas, Herodion, Sosipatros, Quartus, Tertios, Apostles of the 70 (GOARCH)
 The Holy Apostles Olympas, Erastus, Quartus, Herodion, Sosipater and Tertius (Prologue of Ohrid)

Tokoh Prajanjian Anyar
Surat Roma