Osaka Blazers Sakai is a men's professional volleyball team based in Sakai city, Osaka, Japan.

The club was founded in 1939 as part of the Kitakyushu, Fukuoka-based Yawata Steel athletic club which also included football club Yawata Steel F.C.

[1] In 1969 the volleyball section split and moved to Sakai.

On October 2, 2023, the club changed its name into Nippon Steel Sakai Blazers.

[2] The following is team roster of Season 2023–2024.