Mierko Blazina (18 February 1925 - 18 February 2005) was an Argentine footballer who last played as a goalkeeper for San Telmo.
Blazina was born in Italy and moved to Argentina at the age of eight.
Blazina started his career with Argentine side San Lorenzo, helping the club win the league. He has the most appearances for a goalkeeper for the club.
Blazina was known for his "tranquility" and "cold-bloodedness".
Blazina was of Slovenian descent, his birth name was Mirko Blaà ¾ina. His family escaped to Argentina when he was 8, due to fascist repression of Slovenian population.