Jacob "Jake" R. Day is an American politician who has served as the mayor of Salisbury, Maryland since 2015. Born and raised in Salisbury, Day is a member of the 110th Information Operations Battalion in the Maryland Army National Guard. Day represented District 2 of Salisbury in the City Council and served as the Council President from 2013 to 2015. Day is the current President for the Maryland Municipal League, for the 2021–2022 term.