Benjamin Šeško (বেঞ্জামিন শেস্কো) is a Slovenian professional footballer who plays as a forward for Bundesliga club RB Leipzig and the Slovenia national team.

Šeško joined Red Bull Salzburg aged 16 in 2019 from Domžale. He was loaned to the Salzburg's reserve team FC Liefering for two seasons, where he scored 22 goals in 44 games in the second tier of Austrian football. He made his first-team debut for Red Bull Salzburg in January 2021 and went on to win three Austrian Bundesliga titles and one Austrian Cup.

Eligible for Slovenia and Bosnia and Herzegovina (due to his mother hailing from Doboj), Šeško opted for the former, having represented the country at the under-15, under-16, under-17, and under-19 levels. He made his under-19 debut in a friendly game against Austria in September 2020.

In May 2021, Šeško was called up by the senior team manager Matjaž Kek for a pair of friendlies in June 2021. He debuted for Slovenia in a 1–1 friendly tie with North Macedonia on 1 June 2021. At the time he was 18 years and 1 day old and became the youngest debutant in the national team, surpassing the previous record set by Petar Stojanović seven years earlier. On 8 October 2021, Šeško scored his first goal for Slovenia in the 2022 FIFA World Cup qualification match against Malta, becoming Slovenia's youngest ever goalscorer at the age of 18 years, 4 months and 8 days.

During the 2022–23 UEFA Nations League B campaign, Šeško helped Slovenia avoid relegation to League C with two decisive goals. He provided an assist and scored the winning goal in a 2–1 victory over Norway on 24 September 2022, and also scored in a 1–1 draw against Sweden three days later. The goal against Sweden was described as a "wonder goal" by the media, and was nominated as one of the best goals of the matchday by UEFA.

Šeško was Slovenia's top scorer in the UEFA Euro 2024 qualifiers, netting five goals from nine appearances in Group H as Slovenia qualified for its first European Championship since 2000. He was later named in the squad for the final tournament, where he played in all four Slovenia's matches. The team advanced to the knockout stages for the first time and was eliminated by Portugal in the round of 16 on penalties.