Osbournby (locally pronounced Ozzenby or Ossenby) is a small village and civil parish in the North Kesteven district of Lincolnshire, England. The population of the civil parish (including Spanby) at the 2011 census was 381.It is located 5 miles (8.0 km) south from Sleaford on the A15 road near the A52 roundabout.