Unión Santa María is a Chilean Football club, their home town is Los Ángeles, Chile.

They currently play in the fourth level of Chilean football, the Tercera División.

The club were founded on November 19, 2009 and participated for 1 year in Tercera División A and 1 year in Cuarta División.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.