Kei Igarashi (??? ??born May 7, 1980 in Joetsu, Niigata, Japan) is a Japanese professional basketball player.
He plays for the Niigata Albirex BB of the B.League.
Takeuchi also is a member of the Japan national basketball team, playing for the team in the 2006 FIBA World Championship and both the FIBA Asia Championship 2007 and FIBA Asia Championship 2009.Igarashi averaged 9 points and 3 assists per game for the host Japanese at the 2006 FIBA World Championship.
Igarashi scored a team-high 18 points and added three assists in Japan's lone win at the tournament, a 78-61 preliminary round victory over Panama.
In his most recent, national team appearance, Igarashi had a team-leading 3.6 assists per game, good for third best overall in the tournament.
Despite his performance, Japan stumbled to a disappointing tenth-place finish, its worst ever performance in 24 FIBA Asia Championship appearances.
Igarashi currently plays professionally with the Toyota Alvark of the JBL Super League.
In the current 2009-10 season, Takeuchi entered the month-long winter break averaging 9.3 points and 2.9 assists per game for the Alvark.
The popular Igarashi was also named to the JBL All-Star Game as the leading point guard vote-getter for the East.