Omlin with Basel in 2019
|Date of birth||10 January 1994|
|Place of birth||Sarnen, Switzerland|
|Height||1.89 m (6 ft 2 in)|
|2015–2016||→ FC Le Mont (loan)||15||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of 23:00, 14 November 2020 (UTC)|
‡ National team caps and goals correct as of 7 October 2020
FC Basel announced on 22 June 2018 that they had signed goalkeeper Omlin from Luzern. After five test games Omlin played his domestic league debut for his new club in the home game at the St. Jakob-Park on 21 July 2018 as Basel were defeated 2–1 by St. Gallen.
Under trainer Marcel Koller Basel won the Swiss Cup in the 2018–19 season. In the first round Basel beat FC Montlingen 3–0, in the second round Echallens Région 7–2 and in the round of 16 Winterthur 1–0. In the quarter finals Sion were defeated 4–2 after extra time and in the semi finals Zürich were defeated 3–1. All these games were played away from home. The final was held on the 19 May 2019 in the Stade de Suisse Wankdorf Bern against Thun. Striker Albian Ajeti scored the first goal, Fabian Frei the second for Basel, then Dejan Sorgić netted a goal for Thun, but the end result was 2–1 for Basel. Omlin played in four cup games. On 12 August 2020, the club announced that Omlin had transferred to Montpellier as of straight away. In his two seasons with the club Omlin played a total of 92 games for Basel. 59 of these games were in the Nationalliga A, five in the Swiss Cup, six in the Champions League, nine in the UEFA Europa League and 13 were friendly games.
- Jonas Omlin at Soccerway. Retrieved 26 March 2017.
- "Der FC Basel 1893 verpflichtet Jonas Omlin". FC Basel 1893. 2018. Retrieved 12 June 2018.
- Verein "Basler Fussballarchiv”. "FC Basel - FC St. Gallen 1:2 (0:0)". Verein "Basler Fussballarchiv”. Retrieved 21 July 2018.
- "FC Basel - FC Thun 2:1 (1:0)". Verein "Basler Fussballarchiv”. Retrieved 16 November 2019.
- FC Basel 1893 (2020). "Jonas Omlin wechselt per sofort zum Montpellier HS". FC Basel homepage. Retrieved 12 August 2020.
- Verein "Basler Fussballarchiv”. "Jonas Omlin - FCB-Statistik". Verein "Basler Fussballarchiv”. Retrieved 16 November 2019.
- "Jonas Omlin nouveau gardien du MHSC" (in French). Montpellier HSC. Retrieved 15 August 2020.
- "Switzerland v Croatia game report". ESPN. 7 October 2020.