Ligo

Ligo may refer to:
 * LIGO Scientific Collaboration gravitational wave observatory scientific collaboration
 * LIGO (physics), gravitational wave observatory site
 * LIGO-Virgo-KAGRA (LVK) Collaboration
 * LIGO (film), a 2019 American documentary film
 * James Ligo (died December 2017), Anglican bishop
 * LigoLab, a medical laboratory software provider

Līgo may refer to:
 * Līgo Parish, Latvia
 * Līgo, a Latvian holiday