Peter Marxer (11 May 1933 – 30 May 2016) was an advocate and political figure from Liechtenstein who served as the president of the Progressive Citizens' Party from 1970 to 1982.

[1] In 1993 the law firm became a partner of Centrum Bank AG and Marxer served as the chairman of the board of directors until 2011.

[5][7] Marxer spearheaded the creation of the foreign policy commission and the state committee during this time.

[1] Though he had largely ceased the running of day-to-day operations of Marxer & Partner Rechtsanwälte by the 1990s, he remained the official head of the firm until his death on 30 May 2016 in Vaduz, aged 83 years old.

[10] Marxer married Ingeborg Huber (born 22 February 1934) on 28 October 1958 and they had four children together, but got divorced at an unspecified time.