Mornay Jan Jakobus Smith (born 30 January 1998) is a South African rugby union player for the Bulls in the United Rugby Championship and the Blue Bulls in the Currie Cup.

He went to Hoërskool Eldoraigne, where he played rugby for the first team.

[2] He was included in the Blue Bulls' Craven Week team in 2016, and also earned a selection to the South Africa Schools 'A' squad, playing in matches against Italy,[3] England[4] and Wales[5] in the 2016 Under-19 International Series.

Smith was included in the Blue Bulls XV squad for the 2018 Rugby Challenge[6] and made his first class debut in their 27–20 victory over trans-Jukskei rivals the Golden Lions XV.

[7] After just four appearances – which included his first start against the Welwitschias[8] – Smith was named in the matchday squad of the Bulls Super Rugby team for their match in Round 17 of the 2018 Super Rugby season against the Sunwolves in Singapore[9] and he duly made his Super Rugby debut, coming on as a 67th minute replacement in a 37–42 defeat.