Frank may refer to: A member of the medieval Germanic people, the Franks Frank (given name) Frank (surname) Talk to FRANK the British Government drugs awareness campaign Franked mail, the ability to send mail by one's signature rather than by postage Nakajima Ki-84 (Nato code: Frank) Japanese WWII fighter aircraft. In currency Swiss frank (or franc), the currency of Switzerland since 1850 Liechtenstein frank, the currency of Liechtenstein since 1920 Westphalian frank, currency of the K… (More on Frank)