Grand Hyatt Singapore, formerly known as Hyatt Regency Singapore and the Singapore Hyatt Hotel, is a hotel on Scotts Road in the Central Area of Singapore.

The hotel was constructed in 1970.^[1][2][3] At the time of its completion, it was the largest hotel in Southeast Asia.^[4] 200 of the hotel's rooms, as well as the reception area, a bar and the Garden Terrace coffeehouse opened in March 1971, with the rest of the hotel being fully completed by May.^[5] The hotel was officially opened by then Minister of Social Affairs Othman Wok on 2 October, with Aw Cheng Hu, the wife of Lee Chee San, the managing director of Chung Khiaw Bank, performing the dedication ceremony.^[6] By 1979, the hotel had become the Hyatt Regency Singapore.^[7]

In January 1980, plans for a $30 million, which would increase the number of rooms by 451, were approved.^[8] The hotel's lifts were computerised in March 1983.^[9] Its rooms were refurbished in May.^[10] In December 1987, a training centre was established in the hotel in order to train staff.^[11] From 1990 to 1998, the hotel underwent major renovations, after which it became the Grand Hyatt Singapore.^[12][13] The hotel's lobby was remodelled in 2003.^[14]

The hotel began renovations in October 2021.^[14] The hotel temporarily closed on 19 September 2022 due to the renovations.^[15]

1°18′24″N 103°49′59″E / 1.30654°N 103.83302°E / 1.30654; 103.83302