Around the world, Тилли (Tilli 
, Tilly , Tilley 
) is a common epicene forename. The forename Тилли is habitual in Guadeloupe, where it is quite a common female name, Guernsey, and Botswana, where it is quite a rare girly name. Measured by absolute frequency, it most frequently occurs in India, Ghana, and Germany. Likewise, Тилли is the last name as well as the forename.
Тилли is also a name for the fictitious and mythical characters: Tilly Masterson , character in Goldfinger; Tilly Green , the fictional character, Big City Greens; Tilly Evans , the fictional character from the British soap opera Hollyoaks; Tilly Button , the character in BBC Radio 4 drama The Archers and Tilly , the operatic character in the operetta Simplicius, among other works.