Hiram Ricardo Mier Alanís (born 25 August 1989) is a Mexican professional footballer who plays as a centre-back.

On August 25, 2010, Mier debuted with the first team in a game of 2010-11 CONCACAF Champions League against Seattle Sounders FC.

Mier made the final cut for those players participating in the 2012 Summer Olyimpics held in Great Britain.

Mier played an important role by demonstrating leadership and team work alongside Diego Reyes.

On 23 May 2011, Mier was called up to the under-22 squad to participate in the 2011 Copa America,[8] However Mexico was limited to take a team made entirely of players under age 22.

Mier officially made his debut with the Mexico national football team 31 May 2013 against Nigeria, in the Reliant Stadium, coming in for Francisco Rodríguez at half time.

Mier was selected by coach Jose Manuel de la Torre to dispute the Confederation Cup held in Brazil.

Mier only played one 2014 World Cup qualifying match against arch rivals, United States; 10 September 2013 in the Columbus Crew Stadium[12] in which Mexico lost 0–2.