Uslar (disambiguation)
Uslar stands for:
- Uslar , town in the district of Northeim, Lower Saxony
 - Uslar district, district in the province of Hanover
 
Uslar is the name of the following noble families:
- Uslar (noble family) , originally council family in Goslar
 - Uslar-Gleichen , noble family from Lower Saxony in Uslar am Solling
 
Uslar is the family name of the following people:
- Arturo Uslar Pietri (1906–2001), Venezuelan writer, diplomat and politician
 - Detlev von Uslar (* 1926), German psychologist
 - Gerda von Uslar , German translator
 - Johann von Uslar (1779–1866), Venezuelan general
 - José Herrera Uslar (* 1906), Venezuelan lawyer, diplomat and entrepreneur
 - Leopold Wilhelm von Uslar (1764-1830), German general
 - Ludolf von Uslar (1867–1939), German naval officer, vice admiral
 - Ludwig von Uslar (officer) ( Ludwig von Uslar-Gleichen ; 1770–1814), German major
 - Ludwig von Uslar (pharmacist) (1828-1894), German pharmacist
 - Moritz von Uslar (* 1970), German journalist and author
 - Peter Karlowitsch von Uslar (1816–1875), Russian engineer, linguist and officer
 - Rafael von Uslar (1908-2003), German prehistoric
 - Sophie von Uslar , film producer
 - Wilhelm von Uslar (General) (1847–1919), German infantry general
 - Wilhelm von Uslar (garden engineer) (1867–1953), German garden engineer
 
Uslar-Gleichen is the family name of the following people:
- Frida von Uslar-Gleichen (1864–1903), German author
 - Friedrich Freiherr von Uslar-Gleichen (1882–1945), German district administrator and SS-Obersturmbannführer
 - Harald Freiherr von Uslar-Gleichen (1905–2000), German Brigadier General
 - Hasso Freiherr von Uslar-Gleichen (* 1935), German Brigadier General
 - Tania Freiin von Uslar-Gleichen , designated Vice President of the Federal Intelligence Service