Abstract: A child restraint seat for securing a child in a shopping cart, which child restraint seat includes a seat segment and backrest or a combination seat segment and backrest, for receiving and supporting the child and designed to rest on the support grid and rear grid of the seating area in the shopping cart. A pair of shoulder straps are attached to the seat for extending around a rear grid member and a front grid member of the shopping cart and then around tile child, and a lap strap is also attached to the seat and extends around opposite side grid members of the shopping cart and across the lap of the child, if required, to restrain the child in seating position in the shopping cart. In a preferred embodiment the shoulder straps are crossed behind and in front of the child and include strap loops for receiving the lap strap and both the shoulder straps and the lap straps are removably attached by quick-disconnect couplings.