Sir Joseph Norman Lockyer (Rugby, 17 de maio de 1836 — Salcombe Regis, 16 de agosto de 1920) foi um cientista e astrônomo britânico.
Junto com o francês Pierre Janssen recebeu o crédito da descoberta do elemento químico hélio. Foi fundador da revista Nature.
Publicações
Elementary Lessons in Astronomy (1868-1894)
Questions on Astronomy (1870)
Contributions to Solar Physics (1873)
Star-Gazing, Past and Present (1877)
Studies in Spectral Analysis (1878)
Report to the Committee on Solar Physics on the Basic Lines Common to Spots and Prominences (1880)
The Movements of the Earth (1887)
The Chemistry of the Sun (1887)
The Meteorite Hypothesis (1890)
The Dawn of Astronomy (1894)
The Sun's Place in Nature (1897)
Recent and Coming Eclipses (1900)
Inorganic Evolution as Studied by Spectrum Analysis (1900)
The Influence of Brain Power in History (1903)
Stonehenge and Other British Stone Monuments Astronomically Considered (1906; segunda edição, 1909)
Education and National Progress: Essays and Addresses,1870-1905 (1907)
Surveying for Archœologists (1909)
Tennyson as a Student and Poet of Nature (1910)
