Rhestr Ymerodron Rhufeinig

Dyma Restr yr Ymerodron Rhufeinig (neu Ymerodron Rhufain neu Ymerawdwyr Rhufain). Dangosir blynyddoedd eu teyrnasiad wrth eu henwau.

(Sylwer na fu Iŵl Cesar erioed yn ymerawdwr (princeps), daethpwyd i'w alw'n unben (dictator) am oes yn 45 CC [nid ef oedd y Rhufeiniwr cyntaf i fod yn dictator]).

• Augustus (27 CC–14 OC)
• Tiberius (14–37)
• Gaius Caligula (37–41)
• Claudius (41–54)
• Nero (54–68)
• Galba (68–69)
• Otho (69)
• Vitellius (69)

• Vespasian (69–79)
• Titus Flavius (79–81)
• Domitian (81–96)

• Nerva (96–98)
• Trajan (98–117)
• Hadrian (117–138)
• Antoninus Pius (138–161)
• Marcus Aurelius (161–180); cyd-ymherodr Lucius Verus (161–169)
• Commodus (180–193)

• Pertinax (193)
• Didius Julianus (193)
• Septimius Severus (193–211); hawliwyd yr orsedd gan Pescennius Niger (193–194), a Clodius Albinus (193–197)
• Caracalla (211–217)
• Macrinus (217–218)
• Heliogabalus (218–222)
• Alexander Severus (222–235)

• Maximinus Thrax (235–238)
• Gordian I a Gordian II (238)
• Pupienus a Balbinus (238)
• Gordian III (238–244)
• Philip yr Arab (244–249)
• Decius (249–251) a Herennius Etruscus (251)
• Hostilian (251)
• Trebonianus Gallus (251–253)
• Aemilianus (253)
• Valerian I (253–260)
• Gallienus (260–268); hawliwyd yr orsedd gan Aureolus (265)
• Claudius II Gothicus (268–270)
• Quintillus (270)
• Aurelian (270–275)
• Tacitus (275–276)
• Florianus (276)
• Probus (276–282); hawliwyd yr orsedd gan Saturninus (280), Proculus (280), a Bonosus (280)
• Carus (282–283)
• Carinus (283–284); cyd-ymherodr Numerian; hawliwyd yr orsedd gan M. Aurelius Julianus (283)

• Diocletian (284–305); cyd-ymherodr Maximian (286–305)
• Constantius Chlorus (305–306); cyd-ymherodr Galerius (305–311)
• Cystennin I, Mawr (306–337); cyd-ymherodor Galerius, Licinius (308–324), a Maximinus Daia (308–313); hawliwyd yr orsedd gan Maxentius (306–312), a Domitius Alexander (308–309)

• Constantius II (337–361); hefyd gyda Cystennin II (337–340), a Constans (337–350); hawliwyd yr orsedd gan Magnentius (350–353)
• Julian (361–363)
• Jovian (363–364)

• Valentinian I (364–375); cyd-ymherodor Valens (364–378); hawliwyd yr orsedd gan Procopius (364–365)
• Gratianus (375–383); cyd-ymherodr Valentinian II (375–392); hawliwyd yr orsedd gan Macsen Wledig (383–388)

• Theodosius I (379–395; hawliwyd yr orsedd gan Eugenius (392–394)

• Honorius (395–423); cyd-ymherodr Constantius III (421); hawliwyd yr orsedd gan Priscus Attalus (409–410 ag eto yn 414–415), Cystennin III (409–411), a Jovinus (411–412)
• Valentinian III (423–455); hawliwyd yr orsedd gan Joannes (423–425)
• Petronius Maximus (455)
• Avitus (456–457)
• Majorian (457–461)
• Libius Severus (461–465)
• Anthemius (467–472)
• Olybrius (472)
• Glycerius (473–474)
• Julius Nepos–(474–475/480)
• Romulus Augustus (Romulus Augustulus) yr ymherodr 'olaf' yn y gorllewin (475–476)

parhad: gweler Rhestr Brenhinoedd Barbaraidd Rhufain

• Arcadius (395–408)
• Theodosius II (408–450)
• Marcian (450–457)
• Leo I (457–474)
• Leo II (474)
• Zeno (474–491)
• Basiliscus (475–476)
• Zeno (atgyweiriad) (476–491)

Parhad: gweler Rhestr Ymerodron Caergystennin

• Rhestr Ymerodron Bysantaidd
• Ymerodron Glân Rhufeinig