The 2014–15 season was Real Sociedad's 68th season in La Liga. This article shows player statistics and all matches (official and friendly) that the club played during the 2014–15 season.

In the summer of 2014, Antoine Griezmann was sold to Atlético Madrid while top forward Carlos Vela missed the early stages of the season due to fitness issues. Most performances during pre-season were poor. Real Sociedad faced Scottish side Aberdeen in the UEFA Europa League Third qualifying round. Real Socieded progressed 5–2 on aggregate, although the second leg, away from home, was far from convincing. In the next round, Real Sociedad were enphatically beaten by Russian club Krasnodar. In addition, Gerónimo Rulli suffered a serious injury on his debut.

The early months of the Liga season followed the same pattern. In early November, Real Sociedad found themselves second from bottom, prompting the club to relieve Jagoba Arrasate of his duties after just the tenth matchday. Soon after his dismissal, former Everton and Manchester United manager David Moyes was announced as the replacement. The Scotsman led the club out of the lower zone of the table and a strong series of results during February and March dispelled fears of relegation. In April, results worsened again, with the club ultimately ending the season in 12th.

In the Copa del Rey, Real Sociedad eliminated Real Oviedo but fell short against their next opponents, Villarreal.

In the summer of 2014, Real Sociedad reached an agreement with sportswear manufacturers Adidas which, on 1 July, became the official suppliers of the team's kit and training clothing for all categories from youth to the first team squad.

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