Tina Nadine Smith (born 12 June 2002) is an Australian tennis player.

Smith made her WTA Tour main-draw debut at the 2022 Adelaide International 2 where she partnered Annerly Poulos in the doubles competition.

[2] She qualified for the 2024 WTA 125 Cali Open and reached the semifinals with wins over Aliona Bolsova,[3] third seed Robin Montgomery[4] and Leyre Romero Gormaz.

[5] Her run was ended in the last four by second seed and eventual champion Irina-Camelia Begu.

[6] Smith lives in Meggen, Switzerland, and has dual Swiss-Australian citizenship.