Chatswood West is a suburb on the lower North Shore of Sydney, in the state of New South Wales, Australia. Chatswood West is located 11 kilometres north-west of the Sydney central business district, in the local government areas of the City of Willoughby and City of Ryde. Chatswood is a separate suburb. The area of Chatswood located west of the Pacific Highway is informally known as West Chatswood, which should not be confused with the separate suburb of Chatswood West, nor should it be confused with the West Chatswood Post Office on Railway Street in the Suburb of Chatswood.

Chatswood West is located between the bigger suburbs of Chatswood and North Ryde. It straddles the Lane Cove River, occupying the valley flats and ridges leading down to the river.

Chatswood is believed to be named after the pet name "Chat" of the second wife of Richard Harnett (a pioneer of the district) and the original "wooded" nature of the area.

Chatswood West played a part in a famous Australian mystery, with the bodies of Dr Gilbert Bogle and Mrs Margaret Chandler being discovered on the banks of the Lane Cove River, 70 metres south of Fullers Bridge, on 1 January 1963.

Chatswood West split off from Chatswood to become a separate suburb on 20 January 2006.Chislehurst was a large historic house on Centennial Avenue.

Chatswood West is mainly residential, with small commercial areas on Fullers Road. The National Acoustics Laboratories is on Greville Street.

The residential buildings are overwhelmingly detached houses.

Chatswood West is served by Chatswood High School and Chatswood Public School, both situated close by in Chatswood.

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