Hans Adolf Sulzer (Swiss Standard German pronunciation: [ˈsʊltsər]; 17 March 1876 – 3 January 1959) was a Swiss industrialist, economic representative and diplomat who served as Minister to the Mission of Switzerland to the United States in Washington, D.C., from 1917 to 1919.

[1][2] The New York Herald Tribune titled him "business-statesman" shortly before his death.

Sulzer studied Law and Economics at the Universities of Geneva, Berlin and Leipzig graduating with a Juris Doctor in 1900.

Sulzer was a non-career diplomat and has been appointed as Minister to the Mission of Switzerland in the United States from 30 May 1917 to 1 January 1919.

The brides grandfather, Johann Jakob Weber Sr. (1814–1901), was a textile manufacturer (dyeing works "zur Schleife") and Cantonal Councilor.