Konrad Ilg (25 January 1877 – 12 August 1954) was a Swiss trade unionist and politician.
[1][2] In 1909, Ilg was elected as central secretary of the Swiss Metalworkers' Union in Bern.
Now one of the leading figures in the Swiss workers' movement, he attended the founding congress of the International Labour Organization in 1919, becoming a board member in 1927, and then in 1937 became its vice-president for Switzerland.
In 1921, Ilg was appointed as secretary of the International Metalworkers' Federation (IMF), serving until his death, in 1954.
[1][2] Influenced by Pierre Joseph Proudhon, Charles Fourier and Jean Jaurès, Ilg was active in the Grütli Union in his youth, then about 1900 joined the Social Democratic Party of Switzerland.