The name Ingvar is an Norse

Old Norse

Old Norse is a North Germanic language that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....

 first name for males, common in Scandinavia

Scandinavia

Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

, meaning protected by 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...

(i.e. 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"...

). Many notable Scandinavians have had this name, for example Ingvar Kamprad

Ingvar Kamprad

Ingvar Feodor Kamprad is a Swedish and the founder of IKEA, a retail company.According to Forbes magazine, as of 2011 he is the 162nd wealthiest person in the world with an estimated net worth of around US$6 billion in 2011...

, and the legendary Swedish king Ingvar

Ingvar

Yngvar Harra Proto-Norse *Ingu-Hariz was the son of Östen and reclaimed the Swedish throne for the House of Yngling after the Swedes had rebelled against Sölvi....

.

The feminine version is Inga.

The first element of the name is derived from Proto-Norse *Ing(w)ia (Ingi-), i.e. Yngvi

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 ....

, which was the original name of the god 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"...

. The second element is probably either *Harjaz (warrior) or *Warjaz (defender). The name consequently either meant Freyr's warrior or Freyr's defender.

Igor

Igor

Igor is a given name derived from the Norse name Ingvar, that was brought to ancient Rus' by the Norse Varangians, in the form Ingvar or Yngvar...

 (ukr.

Ukrainian language

Ukrainian is a language of the East Slavic subgroup of the Slavic languages. It is the official state language of Ukraine. Written Ukrainian uses a variant of the Cyrillic alphabet....

 Ihor, bel.

Belarusian language

The Belarusian language , sometimes referred to as White Russian or White Ruthenian, is the language of the Belarusian people...

 Ihar) is a given name

Given name

A given name, in Western contexts often referred to as a first name, is a personal name that specifies and differentiates between members of a group of individuals, especially in a family, all of whose members usually share the same family name...

 derived from the Scandinavia

Scandinavia

Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

n name Ingvar, that was brought to ancient Ruthenia

Kievan Rus'

Kievan Rus was a medieval polity in Eastern Europe, from the late 9th to the mid 13th century, when it disintegrated under the pressure of the Mongol invasion of 1237–1240....

 by the Vikings (Ingvar

Ingvar

Yngvar Harra Proto-Norse *Ingu-Hariz was the son of Östen and reclaimed the Swedish throne for the House of Yngling after the Swedes had rebelled against Sölvi....

or Yngvar). Igor (Rurik

Rurik

Rurik, or Riurik , was a semilegendary 9th-century Varangian who founded the Rurik dynasty which ruled Kievan Rus and later some of its successor states, most notably the Tsardom of Russia, until 1598....

's son) conquered Kiev

Kiev

Kiev or Kyiv is the capital and the largest city of Ukraine, located in the north central part of the country on the Dnieper River. The population as of the 2001 census was 2,611,300. However, higher numbers have been cited in the press....

.