Friedrich Emil Welti known as Emil Welti was a Swiss politician, lawyer and judge. From 1856 to 1866, he was a member of the government of the canton of Aargau and, beginning in 1857, the Council of States. In 1867, Welti was elected to the Bundesrat as a representative of the liberal-radical faction.

The Federal Department of Defence, Civil Protection and Sport is one of the seven departments of the Swiss federal government. It is headed by a member of the Swiss Federal Council, the Swiss defence minister.