Neoclassical or neo-classical may refer to:

• Neoclassicism or New Classicism, any of a number of movements in the fine arts, literature, theatre, music, language, and architecture beginning in the 17th century
  • Neoclassical architecture, an architectural style of the 18th and 19th centuries
  • Neoclassical sculpture, a sculptural style of the 18th and 19th centuries
  • New Classical architecture, an overarching movement of contemporary classical architecture in the 21st century
  • in linguistics, a word that is a recent construction from New Latin based on older, classical elements
• Neoclassical ballet, a ballet style which uses traditional ballet vocabulary, but is generally more expansive than the classical structure allowed
• The "Neo-classical period" of painter Pablo Picasso immediately following World War I
• Neoclassical economics, a general approach in economics focusing on the determination of prices, outputs, and income distributions in markets through supply and demand
• Neoclassical realism, theory in international relations
• Neo-classical school (criminology), a school in criminology that continues the traditions of the Classical School within the framework of Right Realism
• Neo-classical theology, another name for process theology, a school of thought influenced by the metaphysical process philosophy of Alfred North Whitehead
• Neoclassical transport is an effect seen in magnetic fusion energy reactors