| Jacob Simonsen | |
| Full Name: | Jacob Sommer Simonsen |
| Birth Date: | 1995 1, df=yes |
| Country: | Denmark |
| Sport: | Long-distance running |
Jacob Sommer Simonsen (born 1 January 1995) is a Danish long-distance runner.
In 2019, he competed in the senior men's race at the 2019 IAAF World Cross Country Championships held in Aarhus, Denmark.[1] He finished in 93rd place.[1] In the same year, he also represented Denmark at the 2019 Summer Universiade held in Naples, Italy.[2] He finished in 13th place in the men's half marathon and he won the bronze medal in the men's marathon team event.[2]