The 2016–17 season is Eibar's 3rd consecutive season in La Liga after finishing in 14th place the previous season to ensure another year in the Spanish top flight.

On 5 May, Eibar announced their first ever international tour with visits to Philadelphia, Pennsylvania and Las Vegas, Nevada in the United States. The tour objectives as stated by the club were, "to improve the brand image, the internationalization of the club, bring the club to shareholders, fans and club members in this country and open up possibilities for sponsorship mediums in the United States." On 23 May, Eibar announced the election of Amaia Gorostiza as the new president and the first female to hold the post for the club. Later in the day, the first match of the US Tour was held at Richard Wackar Stadium at Rowan University in Glassboro, New Jersey, against the Philadelphia Fury of the American Soccer League (ASL). The match ended 1–1 with a goal from Borja Bastón in the 44th minute. The team played their next match at Sam Boyd Stadium in Las Vegas versus the New York Cosmos of the North American Soccer League (NASL). The match ended 2–2 with goals from Gonzalo Escalante and Antonio Luna, respectively; however, the team went on to lose 5–4 in the penalty shoot-out.

On 20 July, Eibar announced a partnership agreement with current Segunda División B club UD Logroñés. The agreement will see Eibar send a minimum of three and a maximum of six players out on loan to Logroñés for the next three seasons. On 19 August, Eibar opened the league season against Deportivo La Coruña at the Estadio Riazor. After scoring first with a goal from Iván Ramis, the game ended 2–1 in favor of the hosts. On 27 August, Eibar earned its first league victory in the home opener, beating Valencia 1–0 with a goal from Pedro León. On 11 September, after the FIFA international break, Eibar defeated Granada at Los Cármenes 2–1 with goals from Pedro León and Sergi Enrich. On 17 September, Eibar claimed a 1–1 draw against Sevilla with nine men after goalkeeper Yoel Rodríguez and captain Dani García both saw red cards. On 20 September, down in La Rosaleda, Eibar lost 2–1 against Málaga with the lone goal coming from La Liga debutante Nano. On 24 September, Eibar defeated Real Sociedad with a scoreline of 2–0, making it the third consecutive victory in Ipurua over their Basque neighbors in the Primera División.

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