Joachim Zeller (1 July 1952 – March 2023) was a Polish-born German politician who served as Member of the European Parliament (MEP) from 2009 until 2019.

He was a member of the parliament’s 15-member monitoring mission for Ukrainian parliamentary elections in 2012, led by Pawel Kowal.

[1] He also took part in the following monitoring mission during the Ukrainian parliamentary elections in 2014, this time led by Andrej Plenković.

[3] In April 2018, Zeller announced that he would not stand in the 2019 European elections but instead resign from active politics by the end of the parliamentary term.

[5] In April 2012, Zeller was one of 28 EP politicians who voted against a move to restrict the export of information technology to autocratic regimes.