| oageis | ? | gisli? | m | wandal | 06.jh | Wandale, Hasdingenprinz |
| obad | uodal? | boto | m | | 05.jh | Wandale, Kanzler d. Hunerich 5.jh |
| obba | oet | | w | fries | | |
| obbe | oet | | w | fries | | |
| obbo | oet | | m | fries | | |
| oberon | alb | richi | m | engl | | |
| obert | oet | beraht | m | | | |
| ochon | | | m | | 0527 | Herulerkönig um 527 |
| octrich | | | m | ahd | 09.jh | Erzbischof v. Magdeburg 9.Jh |
| oda | oet | | w | | 0726 | Einsiedlerin in Brabant +726, hl. |
| odalbert | uodal | beraht | m | | | |
| odalberta | uodal | beraht | w | | | |
| odalfried | uodal | fridu | m | | | |
| odalgund | uodal | gunt | w | | | |
| odalinde | oet | linta | w | | | |
| odalrich | uodal | richi | m | | | |
| odalvig | uodal | wig | m | | | |
| odd | uodal | | m | isl | | Laxdalsaga, Sohn d. Thorhalla |
| oddar | oet | ario | m | | 10.jh | Priester, Märtyrer in Holstein, hl. |
| oddar | | | m | ahd | 1002 | Märtyrer in Oldenburg |
| oddbjörg | uodal | bergan | w | isl | | Hrafnkelsaga, Tochter d. Sköldolf |
| odde | oet | | m | fries | | |
| oddleif | uodal | leiba | m | isl | | Laxdalsaga, Vater d. Gest |
| oddleifus | oet | leiba | m | anord | | Skjoldungasaga |
| oddo | | | m | ahd | 11.jh | Bischof v. Ripen |
| oddrun | oet | runa | w | aisl | | Völsungensaga |
| odemar | oet | maeri | m | norman | | |
| odette | oet | | w | | 1158 | Nonne +1158, hl. |
| odgar | | | m | ahd | 0832 | Bischof v. Mainz um 832 |
| odhin | odin | | m | aisl | | Nord. Mythologie |
| odila | oet | | w | | | |
| odilberga | oet | bergan | w | | | |
| odilbert | oet | beraht | m | | | |
| odilberta | oet | beraht | w | | | |
| odilgard | oet | gart | w | | | |
| odilgart | oet | gart | w | | | |
| odilia | oet | | w | | 08.jh | aleman. Herzogstochter, Äbtissin 8.jh, hl. |
| odilie | oet | | w | | | |
| odilo | oet | | m | | 0741 | Bayernherzog d. Agilofinger 741-748 , hl. |
| odin | oet | | m | | | Gestalt d. Mytologie (Wotan) |
| odine | oet | | w | | | |
| odinkar | odin | kaer | m | nord | 10.jh | Bischof in Schweden |
| odino | oet | | m | | 1182 | Abt in Rot/Memmingen +1182, hl. |
| odo | oet | | m | | 0796 | -v. Metz 796-804 |
| odoakar | oet | wakar | m | germ | 0433 | Skire, germ. Heerführer in Rom 433-493 |
| odoaker | oet | wakar | m | | 0433 | germ. Heerführer in Rom 433-493 (4), |
| odoin | | | m | | 0523 | got. Graf +523 |
| odomar | oet | maeri | m | norman | | |
| odovakar | oet | wakar | m | | 0433 | Skire, Heerführer, König in Rom 433-493 |
| odowakar | oet | wakar | m | | | |
| odulf | oet | wolf | m | asächs | 0825 | Priester in >NL< +854, hl. |
| odur | uodal | | m | anord | | Gestalt d. nord. Mytologie, Mann d.Freya |
| odwin | oet | wini | m | | | |
| odwulf | oet | wolf | m | got | 0551 | Amaler |
| oeckwinkalfa | ? | alp | w | aisl | | Rigsmal |
| oedling | oet | iunc | g | aisl | | Hyndluliod |
| oedur | uodal | | m | anord | | |
| oelmod | ? | muot | m | aisl | | Hyndluliod |
| ofeig | ? | ? | m | isl | | Bandamannsaga, Sohn d. Skidi |
| offa | ? | | m | | 04.jh | König d. Angeln um 375 |
| ogmund | ead | munt | m | aisl | | Lodbroksaga |
| ögmund | ead | munt | m | aisl | | Lodbroksaga |
| ogn | ead | | m | aisl | | Hrolf-Kraki-Saga |
| ohlsen | uodal | son | m | ndeut | | |
| ohthere | noet | heri | m | aengl | 07.jh | Beowulfepos |
| oin | wini? | | m | aisl | | Völsungensaga |
| okka | oet | | w | fries | | |
| okko | oet | | m | fries | | |
| olaf | anu | leiba | m | nord | 0995 | Norwegerkönig -d.II. 995-1029, hl. (4) |
| olaph | | | m | ahd | 09.Jh | Dänenkönig nach Heiligo 9.Jh |
| olav | anu | leiba | m | norw | | |
| olberich | alb | richi | m | | | |
| olbricht | uodal | beraht | m | | | |
| oldrik | uodal | richi | m | nord | | |
| oldvig | uodal | wig | m | | | |
| ole | uodal | | m | | | |
| oleph | | | m | ahd | 0849 | Schwedenkönig um 849 |
| olf | wolf | | m | | | |
| olfert | uodal | fridu | m | | | |
| olger | uodal | ger | m | | 09.jh | Theologe 9.jh, hl. |
| olinde | oet | linta | w | | | |
| olo | anu? | | m | fränk | 0590 | fränk. Herzog um 590 |
| olof | anu | leiba | w | sved | | Laxdalsaga, Tochter Thorstein d. Roten |
| olofa | anu | leiba | w | | | |
| olrik | uodal | richi | m | | | |
| oltmann | oet | man | m | fries | | |
| oluf | anu | leiba | m | dän | | |
| omke | oet | | w | fries | | |
| omko | oet | | m | fries | | |
| ommar | oet | maeri | m | | | |
| omme | oet | | w | fries | | |
| ommo | oet | | m | fries | | |
| onela | anu | | m | aengl | 07.jh | Beowulfepos |
| ongenetheow | onga | theow | m | aengl | 07.jh | Beowulfepos |
| ongentheow | onga | theow | m | aengl | 07.jh | Beowulfepos |
| onna | unnan | | w | fries | | |
| onno | oet | | m | fries | | |
| ontje | oet | | w | fries | | |
| onulf | | | m | | 0491 | Bruder d. Odoakar |
| onund | ? | munt | m | isl | | Thorirsaga, Sohn d. Ulf a. Fitje |
| önund | ? | munt | m | isl | | Gislisaga, Verwalter bei Gisli |
| oomke | oet | maeri | m | fries | | |
| optaris | | | m | | 0536 | got. Hauptmann unter Witichis |
| ordlaf | ort | laf | m | aengl | | Finnsburg-Fragment |
| ordolf | ort | wolf | m | | | |
| ordulf | ort | wolf | m | | 1030 | Herzog v. Sachsen 1051-71 (17,20) |
| orkning | ? | iunc | m | aisl | | Völsungensaga |
| örlyg | ? | | m | isl | | Thorirsaga, Bewohner v. Esjaberg |
| orm | | | m | isl | | Erikssaga |
| örn | ? | | m | isl | | Laxdalsaga, Gefolgsmann d. König Harald |
| örnolf | ? | wolf | m | isl | | Thorirsaga, Bauer b. Herstein Blundketilson |
| orte | ort | | w | | | |
| ortel | ort | | m | | | |
| ortfried | ort | fridu | m | | | |
| ortger | ort | ger | m | | | |
| ortgies | ort | gis | m | | | |
| orth | ort | | m | | | |
| orthild | ort | hiltja | w | | | |
| orthilde | ort | hiltja | w | | | |
| orthold | ort | waltan | m | | 13.jh | Prior in Niederbayern 13.jh, hl. |
| ortlieb | ort | lioba | m | | | Gestalt d. Nibelungen |
| ortlind | ort | linta | w | | | |
| ortlinde | ort | linta | w | | | |
| ortluf | ort | leiba? | m | | | |
| ortnid | ort | nit | m | | | |
| ortnit | ort | nit | m | | | |
| ortolf | ort | wolf | m | | | |
| ortolt | ort | waltan | m | | | |
| ortraud | ort | truet | w | | | |
| ortrud | ort | truet | w | | | |
| ortrun | ort | runa | w | | | Gestalt d. Heldensage |
| ortulf | ort | wolf | m | | | |
| ortwald | ort | waltan | m | | | |
| ortwig | | | m | ahd | 0873 | Dänenkönig um 873 |
| ortwin | ort | wini | m | | | Gestalt d. Gudrunsage |
| orwig | | | m | ahd | 0873 | Dänenkönig um 873 |
| osbern | ans | bero | m | ahd | 1050 | Herzog in England um 1050 |
| osbert | oes | beraht | m | | | |
| oscar | oes | ger | m | engl | | |
| oscar | ans | wakar | m | | | |
| osdas | | | m | | 0546 | got. Recke, +546 |
| ose | oes | | w | | | |
| osfred | oes | fridu | m | adän | 0811 | dän. Adliger- v. Sconaowe um 811 |
| osfrid | oes | fridu | m | adän | 0811 | dän. Adliger, - heiligen Sohn, um 811 |
| osk | oes | | w | isl | | Laxdalsaga, Tochter d. Thorstein d. Roten oo Unn |
| oskar | oes | ger | m | sved | | |
| oslaf | oes | laf | m | aengl | 07.jh | Beowulfepos |
| osmann | oes | man | m | | 0805 | |
| osmar | oes | maeri | m | | | |
| osmund | ans | mund | m | ahd | 1070 | Bischof in Schweden +1070 |
| osmunde | oes | munt | w | | | |
| ospak | oes | ? | m | isl | | Laxdalsaga, Sohn d. Osvifr oo Thordis |
| ossi | oes | | m | | | |
| ossy | oes | | m | engl | | |
| ostara | ostar | | w | | | germ. Göttin |
| ostdag | ostar | dag | m | fränk | 0811 | fränk. Graf um 811 |
| osterhild | ostar | hiltja | w | | | |
| osterhilde | ostar | hiltja | w | | | |
| osterlind | ostar | linta | w | | | |
| osterline | ostar | linta? | w | | | |
| ostrogotha | ostar | gaute | m | got | 0551 | Amaler |
| ostrogotho | ostar | gaute | m | | 02.jh | sagenhafter Gotenkönig 2.jh |
| ostrogoto | ostar | gaute | w | got | 0551 | Tochter Theoderich d. Großen |
| osvifr | oes | ? | m | isl | | Laxdalsaga, Sohn d. Helgi Ottarson |
| oswald | oes | waltan | m | aengl | 0604 | König v. Northumbrien 604-42, hl. |
| oswalda | oes | waltan | w | | | |
| oswalde | oes | waltan | w | | | |
| oswig | | | m | ahd | 0875 | dän. König um 875 |
| oswin | oes | wini | m | | 0651 | König d. Angelsachsen +651, hl. |
| oswine | oes | wini | w | | | |
| oswiu | oes | wini | m | | 0642 | angelsächs. König 642-71 |
| ota | oet | | w | | | |
| otachar | oet | wakar | m | | | |
| otaker | oet | wakar | m | | | |
| otberga | oet | bergan | w | | | |
| otbert | oet | beraht | m | | 0829 | Mönch +829, hl. |
| otburga | oet | burg | w | | | |
| otfried | oet | fridu | m | germ | | |
| otfriede | oet | fridu | w | | | |
| otger | oet | ger | m | | | |
| otgiva | oet | geba | w | | | |
| otgund | oet | gunt | w | | | |
| otgunde | oet | gunt | w | | | |
| othelrich | oudal | richi | m | | 1076 | Lehensman d. Burchard v. Halberstadt um 1076 |
| othere | oet | heri | m | aengl | 07.jh | Beowulfepos |
| othild | oet | hiltja | w | | | |
| othilde | oet | hiltja | w | | | |
| othilric | uodal | richi | m | asächs | 0836 | |
| othinkar | | | m | ahd | 1005 | Bischof |
| othman | oet | man | m | | 0725 | suebi. od. w.got. Häuptling in Spanien um725 |
| othmar | oet | maeri | m | | | |
| otho | oet | | m | | | |
| otil | oet | | m | | | |
| otila | oet | | w | | | |
| otli | oet | maeri | m | sweiz | | |
| otmar | oet | maeri | m | germ | 0689 | aleman. Geistl. in Chur 689-759, hl. (4) |
| otmund | oet | munt | m | | | |
| otr | oet | | m | aisl | | Völsungensaga |
| ott | oet | | m | | | |
| ottar | oet | ario | m | isl | | Laxdalsaga, Sohn Björn d. Weißen |
| ottarr | oet | heri? | m | anord | | Beowulfepos |
| ottberge | oet | bergan | w | | | |
| ottburga | oet | burg | w | | | |
| ottegebe | oet | geba | w | | | |
| ottfried | oet | fridu | m | | | |
| otti | oet | | b | | | |
| ottilia | oet | | w | | 08.jh | alaman. Herzogstochter, Äbtissin 8.jh |
| ottilie | oet | | w | | 0700 | Schutzpatronin im Elsaß um700 |
| ottmar | oet | maeri | m | | | |
| otto | oet | | m | | 0640 | fränk. Adeliger 640-43 |
| ottogebe | oet | geba | w | | | |
| ottokar | oet | wakar | m | | 1146 | Klosterstifter +1146, hl. |
| ottomar | oet | maeri | m | | | |
| otulf | oet | wolf | m | | | |
| otwald | oet | waltan | m | | | |
| otward | oet | wart | m | | | |
| otwin | oet | wini | m | | | |
| otwine | oet | wini | w | | | |
| owe | ? | | m | | | |
| owida | ? | idh | m | got | 0551 | got. Adliger |
| özur | | | m | isl | | Einarsaga, Bischof i. Dänemark |