Iwan Bally (13 December 1876 - 2 August 1965) also nicked Mr. Iwan was a Swiss industrialist, philanthropist, philatelist and politician who served on the Council of States (Switzerland) from 1937 to 1943 and on the Cantonal Council of Solothurn from 1921 to 1933.

Bally was born 13 December 1876 in Schönenwerd, Switzerland, the second of four children, to Eduard Bally, industrialist who later served on the National Council, and Marie Bally (née Prior), originally from Meppen in Lower Saxony.

After his studies he completed a banking apprenticeship in Paris, France.

They were second cousins by their shared great-grandfather Peter Bally.

They had four daughters; Bally died on 2 August 1965 aged 88.