| Yasuo Ikenaka | |
| Birth Date: | 25 March 1914 |
| Country: | Japan |
| Sport: | Long-distance running |
| Event: | Marathon |
| Club: | Toyo University |
[1] was a Japanese long-distance runner who is credited by the International Association of Athletics Federations for setting a world's best in the marathon on April 3, 1935.[2] According to the IAAF, Ikenaka's time of 2:26:44 was over a minute faster than the previous record set by Fusashige Suzuki three days earlier.[2]