Tonio Teklić (Croatian pronunciation: [têklitɕ];^[2] born 9 September 1999) is a Croatian footballer who plays as an attacking midfielder for Süper Lig club Fatih Karagümrük on loan from Trabzonspor.

Teklić was born in Split to a family originally from Livno and living in the suburb Solin. He began his youth career at the local NK Solin and quickly moved to the new-founded Adriatic Split where he spent 5 years at the youth levels winning various tournaments and individual awards. In the summer of 2015, Teklić, alongside many of his Adriatic teammates signed youth contracts with Hajduk Split.^[3] He established himself throughout the Hajduk B squad and got called-up for senior squad league match of Hajduk against Lokomotiva Zagreb, where he entered as a substitute in the 46th minute, replacing Savvas Gentsoglou.^[4]

Teklić became a permanent part of the first-team squad at the beginning of 2019.^[5]

On 21 July 2023, he signed a three-year contract with Süper Lig club Trabzonspor.^[6]