The 2017 Harrisburg City Islanders season was their 14th season of competitive soccer and was the club's final season under its original name.
The 2017 season was the Harrisburg City Islanders's 14th season of competitive soccer - its first in the second division of American soccer, and its seventh season in United Soccer League. This was the club's final season under its original name, with the club renamed Penn FC (in full, Penn Football Club) shortly after the end of the season. 
