Petersen is a common Danish patronymic surname.
Petersen may also refer to:
Buildings and structures Petersen Automotive Museum, an automotive museum in Los Angeles, California, U.S. Petersen Building, a building in Los Angeles, California, U.S. Petersen Events Center, a basketball arena at the University of Pittsburgh, Pennsylvania, U.S. Petersen House, a historic house in Washington, D.C., U.S. Petersen House (Sweden), a house in Stockholm, Sweden Petersen Rock Garden, a rock garden and museum in Redmond, Oregon, U.S. Petersen Sports Complex, a facility at the University of Pittsburgh, Pennsylvania, U.S.
Geography Petersen Bank, a submerged bank in the Southern Ocean Petersen Glacier, a glacier in Wyoming, U.S. Petersen Island, an island in Antarctica Petersen Mountain, a mountain range in Nevada, U.S. Petersen Peak, a rock peak in Antarctica
Science and mathematics Petersen family, a family of seven undirected graphs Petersen graph, a symmetric cubic graph with 10 vertices and 15 edges Petersen matrix, a mathematical model of systems of biochemical reactions
Arts and entertainment Petersen (film), a 1974 Australian film Petersen Quartet, a German string quartet
Other uses Petersen and Fritz dragster, a motor vehicle Petersen Tegl, a Danish brick manufacturer