Magnus Kirt (born 10 April 1990) is an Estonian retired athlete who competed in the javelin throw.

He competed at the 2015 World Championships in Beijing without qualifying for the final.

On 3 June 2018 he broke former world champion Andrus Värnik's long-standing national record with 88.45 m at the 54th Gustav Sule memorial competition in Tartu.

[5] On 13 July 2018 he further improved at the IAAF Diamond League meeting in Rabat, taking the national record and meeting record to 89.75 m.[6] In August, he won bronze at the 2018 European Athletics Championships with a throw of 85.96 m.[7] He threw first time over 90 meters on 20 June 2019 at the Golden Spike in Ostrava with 90.34 m, which he improved two days later in Kuortane to 90.61 m.[8] At the 2019 World Athletics Championships he won silver with a throw of 86.21 m, but during his fourth throw he injured his shoulder.

This biographical article relating to Estonian athletics is a stub.