Secchi

Secchi may refer to:

People with the surname

 * Angelo Secchi, Italian astronomer
 * Giuseppe Secchi (1931–2018), Italian footballer
 * Luciano Secchi (born 1939), Italian comic book writer and publisher
 * Luigi Secchi (1853-1921), Italian sculptor
 * Marco Secchi, Italian photographer
 * Serafino Secchi (died 1628), Italian clergyman

Other uses

 * Secchi (lunar crater)
 * Secchi (Martian crater)
 * Secchi depth, a measure of turbidity
 * Secchi disk, an instrument used to measure turbidity
 * SECCHI (Sun Earth Connection Coronal and Heliospheric Investigation), an instrument package on each of the STEREO spacecraft