Lawrence Ati-Zigi (born 29 November 1996) is a Ghanaian professional footballer who plays as a goalkeeper for Swiss Super League club St. Gallen and the Ghana national team.

Ati-Zigi has represented Ghana at under-17 and under-20 levels. He has been to two African Cup of Nations (2019 and 2021) but featured in none. He made his debut for the Ghana national team in June 2018 in a friendly against Iceland. He was the starting goalkeeper in Ghana's 2022 FIFA World Cup campaign.

In January 2015, Ati-Zigi joined Red Bull Salzburg from Ghanaian feeder club Red Bull Ghana. Ati-Zigi was immediately loaned out to reserve team FC Liefering who play in the Austria 2. Liga. He joined other Ghanaian players including David Atanga and Raphael Dwamena. Ati-Zigi made his league debut for Liefering on 17 April 2015, when his club beat TSV Hartberg 4–1 at Untersberg-Arena. After his debut, he went ahead to play in six consecutive league matches. At the end of his first season, he played six league matches with Liefering finishing in second place in the 2014–15 Austrian Football First League.

The following season, he featured in 16 out of 36 games as the club finished in fourth place in the 2015–16 Austrian Football First League. He also made the Red Bull Salzburg match day squad twice, due to that earned a medal as Salzburg won the 2015–16 Austrian Football Bundesliga. In his final season with Liefering, he played in 11 games to help the club secure a second place finish in the 2016–17 Austrian Football First League. In total he featured in 33 matches for Liefering in this two year stint.

In July 2017, Ati-Zigi joined French team FC Sochaux-Montbéliard on a three-year deal reuniting with his former coach Peter Zeidler from Liefering and Red Bull Salzburg. He made his club debut in the first round of the in a Coupe de la Ligue on 8 August 2017 against Valenciennes which ended in a 3–1 loss.

Over the season, he remained as the second choice goalkeeper behind Maxence Prévot being named in the match day squad for the 24 consecutive times. On 9 February 2019, seven months after signing for the club, he made his Ligue 2 debut against Stade de Reims after coming on as a substitute in the 58th minute for Prévot who sustained an injury; Ati-Zigi conceded two goals as Souchaux lost 3–0. Afterwards he kept the post for the next five league matches, keeping a clean sheet in one. At the end of his first season with Montbéliard side he had made 12 appearances. Out of the 12 appearances, four of those were in Coupe de France, for which he was the main goalkeeper. He helped the club to reach the round of 16 after three victories in the early stages, including saving a penalty in their 5–4 penalty shootout in the first round against FC Saint-Louis Neuweg and keeping a clean sheet in their round of 32 match against Ligue 1 side Amiens which ended in 6–0. They were eliminated in the round of 16, after losing to defending champions PSG by 4–1.

In the 2018–19 season, Ati-Zigi remained the second choice goalkeeper behind Prévot. He played his first league match of the season on 22 December 2018, keeping a clean sheet in their 1–0 over Lorient.

On 16 January 2020, Ati-Zigi joined Swiss-club FC St. Gallen on a two and half-year deal with his contract set to expire in June 2023. Ati-Zigi made his debut for the club against FC Lugano in a Swiss Super League match on 26 January, helping the club to a 3–1 victory.