The 226th Mixed Brigade (), was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. Part of its forces had belonged to the former Bautista Garcet Battalion, which had distinguished itself in the combats of the Córdoba offensive at the beginning of the Civil War. Its formation began in August 1937 in Catalonia, but it was delayed for a long time, the brigade not becoming fully operational until 1938. It had four battalions, the 901, 902, 903 and 904.