The name "Ardija" is a transcription of the Spanish language ardilla (squirrel) which is the mascot of Ōmiya and the park in which their home stadium is located.

On 15 February 2024, before the start of the season, Sports Nippon reported that Austrian energy drink maker Red Bull may buy a J.League club, and that Omiya Ardija was the leading candidate.

[8] On July 26 of the same year, the Nihon Keizai Shimbun reported that Red Bull had reached an agreement in principle to buy Omiya Ardija.

[9] In August 2024, Omiya Ardija announced Red Bull as their new owner, after acquiring 100% of the club shares, formerly owned by NTT, becoming part of their multi-club ownership.

[10] This will be the first time that a foreign company has become the sole owner of a major Japanese professional sports team, including the J.League.

[12] On 13 October 2024, Omiya secured promotion to the J2 League after defeating Fukushima United 3-2, thus returning to the second tier after a one year absence.

[13][4] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.