Futsum Zienasellassie (Ge'ez: ፉፁም ዜናሥላሴ; born 16 December 1992) is an Eritrean-American long distance runner.

After running for North Central High School in Indianapolis, Indiana, Zienasellassie ran for Northern Arizona University.

While attending North Central High School, Futsum Zienasellassie qualified for the Foot Locker Cross Country Championships three times, finishing 7th, 2nd, and 2nd.

Zienasellassie also claimed the 2011 Nike Cross Nationals individual title in 15:02, outdistancing runner-up Daniel Vertiz by 24 seconds.

On 7 March 2020, Zienasellassie ran 45:38 and placed 11th at the USATF 15 km Road Running Championships in Jacksonville, Florida.