Marcus Tullius Cicero ( /ˈsɪsɨroʊ/; Classical Latin: [ˈkɪkɛroː]; January 3, 106 BC – December 7, 43 BC; sometimes anglicized as Tully), was a Roman philosopher, statesman, lawyer, orator, political theorist, Roman consul and constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.

He introduced the Romans to the chief schools of Greek philosophy and created a Latin philosophical vocabulary (with neologisms such as humanitas, qualitas, quantitas, and essentia) distinguishing himself as a linguist, translator, and philosopher.

Petrarch's rediscovery of Cicero's letters is often credited for initiating the 14th-century Renaissance. According to Polish historian Tadeusz Zieliński, "Renaissance was above all things a revival of Cicero, and only after him and through him of the rest of Classical antiquity." The peak of Cicero's authority and prestige came during the eighteenth-century Enlightenment, and his impact on leading Enlightenment thinkers such as John Locke, David Hume, and Montesquieu was substantial. His works rank among the most influential in European culture, and today still constitute one of the most important bodies of primary material for the writing and revision of Roman history, especially the last days of the Roman Republic.

Roger Marcel Cicero Ciceu (born July 6, 1970 in Berlin) is a German jazz musician and the son of the Romanian pianist Eugen Cicero.

He made his first appearance at the age of eleven supporting German singer Helen Vita. He appeared on television for the first time aged 16, alongside the RIAS-Tanzorchester, then under the direction of Horst Jankowski. Cicero joined the Hohner Conservatory in Trossingen when he was 18, where he received coaching in piano, guitar and singing. Between 1989 and 1992, he appeared alongside the Horst Jankowski Trio, the Eugen Cicero Trio (his father’s group) as well as with the Bundesjugendjazzorchester (German Youth Jazz Orchestra), which was then directed by Peter Herbolzheimer. From 1991 to 1996 he studied jazz singing at the Amsterdam Academy of Arts (Amsterdamse Hogeschool voor de Kunsten) at Hilversum. Since then, he has been a guest singer with the groups Jazzkantine and Soulounge with whom he took part in the Montreux Jazz Festival. In 2003 he founded the Roger Cicero Quartet, as well as continuing to perform with his eleven-piece big band. His style is predominantly that of 1940s and 1950s swing music, combined with German lyrics.