Stylianos "Stelios" Poulianitis (; born 3 April 1995) is a Greek professional basketball player for Aris of the Greek Basketball League. He is a tall combo guard.
Poulianitis began his pro career with the Greek League club Aris Thessaloniki, in the 2013âÂÂ14 season. He was loaned to the Greek club Koroivos Amaliadas, for the 2015âÂÂ16 season, and to the Greek club Aries Trikala, for the 2016âÂÂ17 season. He then returned to Aris for the 2017âÂÂ18 season.
On 14 June 2018, Poulianitis left Aris Thessaloniki and joined Kymi of the Greek Basket League.
On 16 August 2019, Poulianitis signed a two-year deal with the Greek club Kolossos Rodou, but he only spent one season with them.
Poulianitis won the 2nd division championship with Apollon Patras, in the 2020âÂÂ21 season.
Poulianitis agreed to return to the Greek club Aris, on 11 August 2021. In 23 domestic Greek league games, he averaged 4.8 points, 1.4 rebounds, 1.4 assists and 0.6 steals, while playing around 19 minutes per contest.
On 9 July 2022, Poulianitis signed a two-year (1+1) contract with the Greek club Peristeri. In 28 domestic Greek league games, he averaged 3.4 points, 1.7 rebounds and 1.3 assists in 14 minutes per contest. Additionally, in 6 FIBA Champions League matches, he averaged 3.3 points, in 13 minutes per contest. On 20 June 2023, Poulianitis renewed his contract with Peristeri through 2025.
On July 30, 2025, Poulianitis made his return to Aris, signing through 2027.
Poulianitis was a member of the Greek junior national teams. With the junior national teams of Greece, Poulianitis played at the 2011 FIBA Europe Under-16 Championship, the 2014 FIBA Europe Under-20 Championship, and the 2015 FIBA Europe Under-20 Championship.
Poulianitis originates from Trikala, Greece. His father Vangelis, is a former basketball player, who played in the Greek Basket League with Panellinios Athens and Philippos Thessaloniki.