Officers would like to speak to him about an assault in Keighley on 3 July.
Extensive enquiries have been carried out to trace Azam, who is 35 and is believed to be living in the Keighley area.
He also goes by the name of Amjad and has links to Bradford and Manchester.
He is described as Asian, about 6ft 2ins tall, of broad build with brown eyes and short black hair.
He is not believed to pose a risk to the general public, but anyone who sees him is advised not to approach him and call police on 101.