The 2011 Formula 3 Euro Series season was the ninth championship year of the Formula 3Euro Series. It began on 2 April at Circuit Paul Ricard and finished on 23 October at Hockenheim after 21 races at nine meetings. Roberto Merhi, who participated his third season in series clinched title after home win at Valencia with a round to spare, bringing first Drivers' Championship for Prema Powerteam since 2003 and first title in the Teams' Standings. Second place for the second year in row went to Signature's Marco Wittmann, who took five wins. Merhi's compatriot and teammate Daniel Juncadella scored four races victories and managed third in drivers' standing. Also Juncadella and Merhi won Nations Cup. Best rookie of the season Nigel Melker took fourth place with four victories despite missing round Silverstone due to commitments in GP3 Series. His teammate Felix Rosenqvist finished fifth, winning penultimate race of the season at Hockenheim. Places six through eight went to Signature's drivers Laurens Vanthoor, Daniel Abt and Carlos Muñoz. Motopark's drivers Jimmy Eriksson and Kimiya Sato finished on ninth and tenth positions respectively.
Drivers and teams
Competition numbers 30 and higher are single-race entrants and are ineligible to score championship points.
Driver changes
; Changed Teams
Roberto Merhi and Carlos Muñoz both switched from Mücke Motorsport to Prema Powerteam and Signature respectively.
Jimmy Eriksson moved up from German Formula Three full-time, competing for Motopark. He was joined by Gianmarco Raimondo who moves from Italian Formula Three and Kimiya Sato, who moves from Japanese Formula Three. Raimondo later moved to a third car at Prema Powerteam
Nigel Melker competed for Mücke Motorsport, alongside his GP3 commitments with the team. Felix Rosenqvist joined him, stepping up from German Formula Three.
ART Grand Prix, who won six drivers' titles and seven teams' titles, exited the championship to concentrate on other series.
STAR Racing Team débuted in the series, with Kuba Giermaziak driving the team's sole entry.
Race calendar and results
A provisional nine-round calendar was announced on 16 October 2010. Seven of the nine rounds will support Deutsche Tourenwagen Masters events, with additional rounds at Le Castellet and Silverstone in support of the Le Mans Series. The series will adopt a format introduced in the 2010 British Formula 3 Championship, with three races a weekend, two of which held on the Saturday and the final race on the Sunday. The first and third races at the first Hockenheim round were also points-scoring for the FIA Formula 3 International Trophy.
Standings
Points are awarded as follows:
Drivers' Championship
† — Drivers did not finish the race, but were classified as they completed over 90% of the race distance.