Tadas Simaitis (born 29 December 1990) is a Lithuanian footballer who plays as a goalkeeper for Jonava.
He started his career in à  iauliai.
On 20 February 2012, he was transferred from à  iauliai to Romanian club OÃÂelul GalaÃÂi. On 23 November 2012, Simaitis made his debut for the Romanian side, in Liga I game against Dinamo BucureÃÂti.
In June 2015, Simaitis signed with Azerbaijan Premier League side Kapaz.
Signed a contract with FK Jonava on 14 July 2017, during the summer transfers.
From July 2018 he is FK Jonava sports director.