Ng Ming-yam (Chinese: ???; 13 April 1955 – 22 June 1992) was a Hong Kong politician and writer.
He was one of the important founders of the United Democrats of Hong Kong (later called the Democratic Party), a member of the Tuen Mun District Council, an elected member of the Regional Council and the youngest member of the legislative council to die in office.
He was a supporter for the protesters of the Tiananmen Square protests of 1989 in Beijing, China, and is best-remembered for leading a supporting crowd with a flag during the protest in Hong Kong in support of the Chinese protest .A writer for Breakthrough Magazine (Chinese: ??; a Christian magazine published in Hong Kong during 1973 and 1999), Lee Wing-Tat was Ng's ally inside the party and the one who carried his portrait during his funeral, who won the office as the Democratic Party chairman later in 2004.