Rai Bahadur Sir Ganga Ram CIE MVO (22 April 1851 – 10 July 1927) was an Indian civil engineer and architect. His extensive contributions to the urban fabric of Lahore, in modern Pakistan, caused Khaled Ahmed to describe him as "the father of modern Lahore".
He designed and built General Post Office, Lahore, Lahore Museum, Aitchison College, Mayo School of Arts (now the National College of Arts), Ganga Ram Hospital, Lahore 1921, Lady Mclagan Girls High School, the chemistry department of the Government College University, the Albert Victor wing of Mayo Hospital, Sir Ganga Ram High School (now Lahore College for Women), the Hailey College of Commerce (now Hailey College of Banking & Finance), Ravi Road House for the Disabled, the Ganga Ram Trust Building on "The Mall" and Lady Maynard Industrial School. He also constructed Model Town and Gulberg town, once the best localities of Lahore, the powerhouse at Renala Khurd as well as the railway track between Pathankot and Amritsar.
After the partition of Indian and Pakistan, another hospital Sir Ganga Ram Hospital, New Delhi was built in 1951 in his memory.