The St. James Theatre, (previously known as His Majesty's Theatre, and the Westpac St. James Theatre from 1997–2007) (shortened to "St. James" by locals) is a stage theatre located in the heart of New Zealand's capital city, Wellington. The present theatre was designed in 1912 by Australian theatre designer Henry Eli White. The theatre currently faces on to Courtenay Place, the main street of Wellington's entertainment district, opposite the Reading Cinema complex. The building is number 83.
The building is classified as a "Category I" ("places of special or outstanding historical or cultural heritage significance or value") historic place by the New Zealand Historic Places Trust.