Nuclear may refer to:

Physics Relating to the nucleus of the atom: Nuclear engineering Nuclear physics Nuclear power Nuclear reactor Nuclear weapon Nuclear medicine Radiation therapy Nuclear warfare

Mathematics Nuclear space Nuclear operator Nuclear congruence Nuclear C*-algebra

Biology Relating to the nucleus of the cell:

Nuclear DNA

Society Nuclear family, a family consisting of a pair of adults and their children

Music "Nuclear" (band), Chilean thrash metal band "Nuclear" (Ryan Adams song), 2002 "Nuclear", a song by Mike Oldfield from his Man on the Rocks album Nu.Clear (EP) by South Korean girl group CLC

Films Nuclear (film), a 2022 documentary by Oliver Stone.

See also Nucleus (disambiguation) Nucleolus Nucleation Nucleic acid Nucular