Wolmar Onni Schildt (3 July 1851 – 23 April 1913) was a Finnish politician.
His parents were district doctor Wolmar Styrbjörn Schildt [fi]-[Kilpinen] and Mathilda Fredrika Wilhelmina Wadenstjerna.
He graduated from secondary school in 1870 and attended the Alnarp Agricultural College in 1875.
Schildt was the head of the dairy and animal husbandry school in Hovila from 1879 to 1903, an inspector of the Mikkeli Provincial Offices 1889–1899, and a Senate Finance Officer, Senator and Head of Agriculture, Mechelin and Hjelt in 1905–1909.
[1] Onni Schildt married Mathilda Natalia Fredrika Tigerstedt in 1876.