Load carrier coupling (200; 300; 400) for mounting a load carrier on a trailer coupling of a vehicle, said trailer coupling comprising a neck, a coupling body, preferably a ball head, supported by said neck, and at least one support protrusion, preferably a cylindrical pin, provided on said neck, said load carrier coupling (200; 300; 400) comprising a receiving member (212; 312; 412) comprising a receiving portion (210; 310; 410) having an accommodating section (211; 311; 411) configured to accommodate a portion of said coupling body, and a supporting member (232; 336; 432) comprising a supporting portion (230; 330; 430) having an engaging section (231; 331; 431) configured to contact at least one support protrusion, wherein said receiving member (212; 312; 412) and said supporting member (232; 336; 432) are hingedly coupled to each other by means of a pivot (201; 301; 401) such that a distance between said accommodating section (211; 311; 411) and said engaging section (231; 331; 431) can be varied by pivoting said receiving member (212; 312; 412) or said supporting member (232; 336; 432) about said pivot (201; 301; 401) between an open state in which said distance between said accommodating section (211; 311; 411) and the engaging section (231; 331; 431) is such that said load carrier coupling (200; 300; 400) is insertable on said trailer coupling and a closed state in which said distance is such that an inserted load carrier coupling (200; 300; 400) cannot be removed from said trailer coupling, characterized in that said load carrier coupling (200; 300; 400) is configured such that in a condition in which said load carrier coupling (200; 300; 400) is mounted on said trailer coupling, said pivot (201; 301; 401) is located at a position which is vertically between said coupling body and said support protrusion and/or in that said receiving member (212; 312; 412) and said supporting member (232; 336; 432) are coupled to each other pivotable about a single pivot axis (P20; P30; P41). a receiving member (212; 312; 412) comprising a receiving portion (210; 310; 410) having an accommodating section (211; 311; 411) configured to accommodate a portion of said coupling body, and a supporting member (232; 336; 432) comprising a supporting portion (230; 330; 430) having an engaging section (231; 331; 431) configured to contact at least one support protrusion, wherein said receiving member (212; 312; 412) and said supporting member (232; 336; 432) are hingedly coupled to each other by means of a pivot (201; 301; 401) such that a distance between said accommodating section (211; 311; 411) and said engaging section (231; 331; 431) can be varied by pivoting said receiving member (212; 312; 412) or said supporting member (232; 336; 432) about said pivot (201; 301; 401) between an open state in which said distance between said accommodating section (211; 311; 411) and the engaging section (231; 331; 431) is such that said load carrier coupling (200; 300; 400) is insertable on said trailer coupling and a closed state in which said distance is such that an inserted load carrier coupling (200; 300; 400) cannot be removed from said trailer coupling, characterized in that said load carrier coupling (200; 300; 400) is configured such that in a condition in which said load carrier coupling (200; 300; 400) is mounted on said trailer coupling, said pivot (201; 301; 401) is located at a position which is vertically between said coupling body and said support protrusion and/or in that said receiving member (212; 312; 412) and said supporting member (232; 336; 432) are coupled to each other pivotable about a single pivot axis (P20; P30; P41).