Kilian Zierer

Kilian Zierer (born February 24, 2000) is a German professional American football offensive tackle for the Jacksonville Jaguars of the National Football League (NFL). He played college football for the College of the Canyons Cougars and Auburn Tigers.

Early life Zierer was born on February 24, 2000, in Munich, Bavaria, Germany. He played soccer growing up before first watching American football on a visit to the U.S. at age 15. He decided to try out the sport at age 16, joining the Munich Cowboys and playing two seasons for their under-19 squad as a tight end and wide receiver. He then moved to the offensive line and played a season with the Allgäu Comets.

College career With the help of Gridiron Imports, a non-profit foundation that helps football players from around the world attain opportunities to play football and pursue their education at the high school and college level in the United States, Kilian Zierer made the decision to play football in the U.S.

Zierer choose to play college football in the U.S. for the College of the Canyons Cougars in 2018. In his first year, he was named all-conference at left tackle and helped the Cougars compile a record of 10–0 while being the champions of the SCFA National Division, Northern League. He became highly recruited afterwards and was ranked the best junior college recruit at his position by Rivals.com. He repeated as an all-conference left tackle and helped the Cougars win a second straight SCFA National Division, Northern League title. He ended the season with nine games played. He was invited to the 2023 East–West Shrine Bowl.

Houston Texans After going unselected in the 2023 NFL draft, Zierer signed with the Houston Texans as an undrafted free agent. Although he performed well in training camp for the Texans, he suffered a sprained ankle in preseason and was placed on season-ending injured reserve on August 24, 2023.

On April 18, 2024, Zierer was designated as the Texans' exempt/international player for the 2024 season as part of the International Player Pathway Program (IPPP).

Atlanta Falcons On February 12, 2025, Zierer signed with the Atlanta Falcons. He was waived by the Falcons on August 2.

Cleveland Browns On August 3, 2025, Zierer was claimed off waivers by the Cleveland Browns. He was waived on August 26 as part of final roster cuts.

San Francisco 49ers On August 28, 2025, Zierer signed with the San Francisco 49ers' practice squad. He was released on October 13.

Jacksonville Jaguars On October 15, 2025, Zierer signed with the Jacksonville Jaguars' practice squad. He signed a reserve/future contract with Jacksonville on January 12, 2026.