Western Union logo WU Posted on October 28, 2015 by admin Western Union logo WU Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Western Union logo WU showing the sign by itself or the logo including the brand name of the relevant organization. Western Union logo WU Tags: western union, western union brand, western union logo, western union logo wu, western union logos, western union sign, western union symbol, western union trademark