Maximus is a name formed from the Latin term for "greatest" or "largest." Therefore, it is both a proper noun and common noun, both in the ancient, medieval, and modern world. Please see one of the following.

Ancient world

• Maximus, a fragment of the name of a governor of Britannia Inferior, a province of Roman Britain, probably around 225. Little else is known of him save that he restored a granary at Great Chesters.
• Maximus of Tyre, a Greek philosopher and rhetorician of the 2nd century A.D.
• Maximus, stoic philosopher, teacher of Marcus Aurelius.
• Saint Maximus, a martyr of Asia who died in 250.
• Saint Maximus of Turin, bishop of Turin, ca. 380-ca. 465.
• Maximus of Ephesus, a philosopher from the 4th century.
• Magnus Maximus, Roman Emperor in the west, 383-388.
• Maximus of Hispania, a Roman usurper (409-411) in the Iberian Peninsula
• Maximus the Confessor, a Christian monk, 580-682.
• Maximus, bishop of Zaragoza (Hispania) in 592-619.
• Valerius Maximus, writer and historian.

Modern world

• Maximus Inc is a US company
• Maximus is the name of a BBS software package for DOS and OS/2.
• In English Change Ringing, Maximus is a term that refers to a method rung on Twelve bells. The Maximus group of methods is generally restricted to Cathedrals, since only a couple of parish churches in the United Kingdom are fitted with twelve bells. The Quex Park Waterloo Tower is the only non-religious tower in the country fitted with a peal of twelve bells.
• The Maximus Poems, 1950-1970 is an unfinished epic by the American poet Charles Olson, mediated through the voice of Maximus of Gloucester, Massachusetts and who is partly based on Maximus of Tyre.
• Maximus the Mad is the name of a Marvel Comics supervillain.

Popular culture

• Maximus Decimus Meridius is a fictional character in the 2000 Ridley Scott film, Gladiator.