Sixto Castor Cantero Bordón (born 12 January 1918, date of death unknown) was a Paraguayan football midfielder.
Cantero was part of the Paraguay national football team that participated in the 1950 FIFA World Cup and the Copa América tournaments of 1946 and 1949.
[1] He has 34 caps and no goals playing for Paraguay between 1942 and 1950.
[2] During most of his career he played for Olimpia Asunción.
This biographical article related to a football midfielder from Paraguay is a stub.