Charles Frederick Aeschlimann[1] (German pronunciation: [ˈʧaːls ˈɛːʃliːman]]; 28 February 1897 – 4 May 1952),[2] also spelled as Charles Aeschliman, was a Swiss tennis player who represented Switzerland in the Davis Cup and the Olympic Games.

[3] He competed in the singles event at the 1924 Summer Olympics, reaching the third round in which he lost to Béla von Kehrling in five sets.

With compatriot Maurice Ferrier he competed in the men's doubles event and reached the second round.

In the singles event his best result was reaching the third round of the 1926 Wimbledon Championships in which he lost to Henry Mayes.

[5] Aeschlimann's best performance at a Grand Slam singles event was reaching the fourth round of the French Championships in 1926 and 1927.