Forst may refer to:

• Forst (Aachen) [de], in the district of Aachen
• Forst (Baden), in Baden-Württemberg
• Forst (Lausitz), in Brandenburg
• Forst (Unterfranken), part of Schonungen, Bavaria
• Forst, Altenkirchen, in the district of Altenkirchen, Rhineland-Palatinate
• Forst (Eifel), in the district Cochem-Zell, Rhineland-Palatinate
• Forst (Hunsrück), in the district Cochem-Zell, Rhineland-Palatinate
• Forst an der Weinstraße, in the district of Bad Dürkheim, Rhineland-Palatinate
• Forst, Lower Saxony, a district of Bevern, known for its residents Roedelius and Moebius in the 1970s

• Forst (Foresta), a frazione in the comune of Algund (Lagundo) in South Tyrol, Italy

• Forst, Switzerland, in the Canton of Bern

• Donald Forst (1932–2014), American newspaper editor
• David Forst (born 1976), American baseball executive
• Grete Forst (1878–1942), Austrian soprano
• Judith Forst (born 1943), Canadian mezzo-soprano
• Rainer Forst (born 1964), German philosopher
• Willi Forst (1903–1980), Austrian actor, screenwriter, film director, film producer and singer

• Forst (brewery), a brewing company from Forst (Foresta) in South Tyrol, Italy
• Forst, an album by the Austrian slowcore band Mimi Secue released 2004
• Forst (TV series), a 2024 Polish television series