The 1848 Democratic National Convention was a presidential nominating convention that met from Monday May 22 to Friday May 26 in Baltimore, Maryland. It was held to nominate the Democratic Party's candidates for President and Vice president in the 1848 election. The convention selected Senator Lewis Cass of Michigan for President and former Representative William O. Butler of Kentucky for Vice President.

Levi Woodbury was an American attorney, jurist, and Democratic politician from New Hampshire. During a four-decade career in public office, Woodbury served as Associate Justice of the Supreme Court of the United States, a United States Senator, the ninth governor of New Hampshire, and cabinet member in the Andrew Jackson and Martin Van Buren administrations. He was promoted as a candidate for the Democratic nomination for President of the United States in 1848.