A catheter bag holder comprising a pocket having a top opening, a bottom opening, a pocket width and a pocket height. A one or more straps comprising a first strap and a second strap. The pocket having a top portion and a bottom portion. The top opening is in the top portion and the bottom opening is in the bottom portion. The one or more straps comprise an elastic material. The top opening having a top opening width and the bottom opening having a bottom opening width. The pocket width is greater than or equal to a bag width of a fluid bag. The bottom opening width of the pocket is smaller than the bag width. The first strap is attached to the top portion of the pocket. The second strap is attached to the bottom portion of the pocket. The pocket receiving a input tube through the top opening.