The 2012–13 División de Honor is the 46th season of the top flight of the Spanish domestic rugby union competition since its inception in 1953. Regular season began in September 2012 and finished on April 28, 2013.
The playoffs began on 19 May and the Final took place on 2 June.
Defending champions, Valladolid, successfully defended its previous season title after defeating Santboiana 27–25 in the championship final. La Vila was the relegated team to División de Honor B.
Competition format
The season took place between September and March, with every team playing each other home and away for a total of 22 matches. Points were awarded according to the following:
4 points for a win
2 points for a draw
1 bonus point for a team scoring 4 tries or more in a match
1 bonus point for a team that loses a match by 7 points or fewer
The six teams with the highest number of points at the end of 22 rounds of matches played the championship playoffs. The top two teams win a semifinal berth automatically, while the next four teams played off to take the remaining two spots.
The club which finished bottom was relegated, while the club that finished 11th went into a playoff with a team from División de Honor B.
Promotion and relegation
The bottom team in the standings was relegated to División de Honor B, while the team finishing 11th played the relegation playoff. The top team from División de Honor B was promoted to División de Honor.
The relegation playoff was contested over two legs by Hernani, who finished 11th in División de Honor, and neighbours Alcobendas, the losing team from División de Honor B promotion playoff final. Vigo won the tie, winning 36-25 on aggregate.
