Siim Tenno

Tenno, Tartu Tammeka youth product, started his men's league career with club's third team in the II Liiga in 2007. The next season, he played 29 matches for the club's second team and was promoted to the first team for the 2009 season.

Viktoria Žižkov

In January 2012, he and teammate Kaarel Kiidron were loaned to Czech Republic club Viktoria Žižkov until the end of the season. He made the first team debut on 30 March 2012, when he came on as a late substitute.

Narva Trans

In the start of 2014 season, Tenno signed a one-year contract with Meistriliiga club Narva Trans. Before that he went on trial to 2. Bundesliga club Paderborn. Good spell in Narva helped him to sign a contract with German Regionalliga club Neumünster.

Neumünster

At the start of July, Siim Tenno was with his former teammate Reio Laabus together in VfR Neumünster and both signed contracts.

Tartu Tammeka

On 21 July 2015, Tenno rejoined Tammeka.

MTV Gifhorn

In January 2016, Tenno joined German Oberliga Niedersachsen club MTV Gifhorn.

He made his international debut for Estonia in 2011.

His brother, Simo, is also a footballer.