Győri ETO KC (Hungarian: Győri Egyetértés Torna Osztály Kézilabda Club, lit. Concordance Gymnastics Department of Győr Handball Club) is a Hungarian women's handball club from Győr. Since they are sponsored by Audi, the official name for the team is Győri Audi ETO KC.
On domestic level ETO won 9 Hungarian Championship title, including five in a row between 2008 and 2012. They are also an eight time Hungarian Cup winners, having won all their finals since 2005.
The ETO was founded in 1904, but the women's handball section wasn't created until 1948. In 1957 they won the Hungarian Championship for the first time. However, their most successful period started in 2005 when Győri ETO won the Hungarian Championship and the Hungarian Cup, and reached the final of the EHF Cup. In 2006 they participated again in a European final, for the Cup Winners' Cup. In 2007 and 2008 they reached the semifinals of the Champions League.
In 2012 the team made it to the EHF Champions League finals again, where they fell short to ŽRK Budućnost Podgorica on the away goals rule. ETO won the first leg on home soil to 29–27, while their Montenegrin opponent achieved a 27–25 victory in the rematch which was just enough for them to gain the title.
The club has gone through several name changes during its existence, including Győri Vasas, Győri Vasas ETO, Győri Keksz ETO, Győri Graboplast ETO and since 2005 Győri Audi ETO.