A wheelchair and walker connection apparatus for selectively fixing a walker to a wheelchair. The wheelchair and walker connection apparatus includes a first attachment hook and a second attachment hook, each defining mirror image attaching assemblies, and an adjustable linking bar disposed between the respective attachment hooks. The adjustable linking bar telescopically extendable between, and selectively fixed in, an extended position and a retracted position. The attachment hooks each include a tightening screw which enables it, through the engagement of the screw, to selectively exert holding pressure on a structure which is present in the open area formed by the hook shape of the respective attachment hook.