Albert Welti was a Swiss painter and etcher. He studied at the Academy of Fine Arts in Munich and was influenced by Arnold Böcklin. Frequent topic of his works are depictions of dream and nightmare scenes. Welti was a close friend of Hermann Hesse. Albert Welti is father of the writer and painter Albert Jakob Welti.
Welti designed in 1906 the 'Tellknabe' postage stamp for a new Swiss definitive series issued in 1907. The design shows William Tell's son holding a crossbow and an apple pierced by an arrow for values below 10c.