1890 Greensburg Athletic Association season

{| class="wikitable"

}} The 1890 Greensburg Athletic Association season was their first season in existence. The team's record for this season is largely unknown.
 * team = Greensburg Athletic Association
 * year = 1890
 * record = Unknown
 * division_place = No divisions
 * coach = No coach
 * stadium = Athletic Park (Offut Field)
 * playoffs = No playoffs
 * previous = N/A
 * next = 1891