Ingunar-Freyr is the name given to Freyr

Freyr

Freyr is one of the most important gods of Norse paganism. Freyr was highly associated with farming, weather and, as a phallic fertility god, Freyr "bestows peace and pleasure on mortals"...

 in the Lokasenna

Lokasenna

Lokasenna is one of the poems of the Poetic Edda. The poem presents flyting between the gods and Loki....

(43) and in the Great saga of Saint Olaf.

It is often assumed that Ingunar-Freyr is the West-Germanic equivalent of the Scandinavian Yngvi-Freyr

Yngvi

Yngvi, Yngvin, Ingwine, Inguin are names that relate to an older theonym Ing and which appears to have been the older name for the god Freyr ....

.

A close form, frea Ingwina ("lord of the friends of Ing

Ing

-In English:* -ing, a suffix added to English verbs to make a present active participle or a gerund* Ing, a word for a water-meadow-In old Germanic history:* Ing, Ingui or Yngvi, a Germanic god* Ingaevones, a West Germanic cultural group...

") is used in Beowulf

Beowulf

Beowulf , but modern scholars agree in naming it after the hero whose life is its subject." of an Old English heroic epic poem consisting of 3182 alliterative long lines, set in Scandinavia, commonly cited as one of the most important works of Anglo-Saxon literature.It survives in a single...

(1319), where it refers to the Danish king Hroðgar

Hroðgar

Hroðgar, King Hroþgar, "Hrothgar", Hróarr, Hroar, Roar, Roas or Ro was a legendary Danish king, living in the early 6th century....

.

The meaning of Ingunar-Freyr remains uncertain. It could be related to the Ingaevones

Ingaevones

The Ingaevones or, as Pliny has it, apparently more accurately, Ingvaeones , as described in Tacitus's Germania, written c. 98 AD, were a West Germanic cultural group living along the North Sea coast in the areas of Jutland, Holstein, Frisia and the Danish islands, where they had by the 1st...

, a Germanic tribe. Another solution is to understand Ingunar as the genitive form of Ingun, who would be a fertility goddess.