Anthony Didier Thomas Goelzer (born 12 September 1998) is a French professional footballer who plays as a left-back for Championnat National 3 club Valenciennes II.
In February 2019, he signed a four-year contract with Grasshopper Zürich.
On 29 July 2021, he moved to Kriens, also in Switzerland.
After one season with Kriens, Goelzer signed for Vaduz, and became part of the history-making squad that became the first team from Liechtenstein to reach the group stages of a European club competition. He scored Vaduz's first ever group stage goal, in a 4-1 defeat against AZ in the Netherlands.