The Saitama Railway 2000 series (埼玉高速鉄道2000系) is an electric multiple unit (EMU) train type operated on the Saitama Rapid Railway Line in Saitama Prefecture, Japan, by the third-sector railway operating company Saitama Railway Corporation since March 2001.

The trains are used on Saitama Rapid Railway Line services, with through-running to and from the Tokyo Metro Namboku Line, Tokyu Meguro Line, and the Tokyu Shin-Yokohama Line.

[1] As of 1 April 2014, the fleet consists of 10 six-car sets, each formed of three motored ("M") cars and three non-powered trailer ("T") cars, as shown below, with car 1 at the northern (Urawa-Misono) end.

[1] Passenger accommodation consists of longitudinal bench seating with priority seats in each car.

[1] The 2000 series trains entered service on 28 March 2001, coinciding with the opening of the Saitama Rapid Railway Line.