What political affiliation did Grover Cleveland belong to?

Grover Cleveland was a member of the Democratic Party, making this answer correct. He is notably recognized as the only U.S. president to serve two non-consecutive terms, being both the 22nd and 24th president. Cleveland's policies and political actions were strongly aligned with the Democratic ideals of his time, which included a commitment to limited government and opposition to high tariffs.

His presidency focused on issues such as reducing federal spending and opposing unnecessary government interventions in the economy, showcasing principles that were prominent within the Democratic Party during the late 19th century. This historical context reinforces Cleveland's Democratic affiliation, as he represented a faction of the party that advocated for fiscal conservatism and political reform in contrast to other political movements of the era.