William Napier, 9th Lord Napier

The Lord Napier
Chief Superintendent of British Trade in China
In office 31 December 1833 – 11 October 1834
Preceded by	Position created
Succeeded by	John Francis Davis
Personal details
Born	13 October 1786 Kinsale, Ireland
Died	11 October 1834(1834-10-11) (aged 47) Macau
Spouse	Elizabeth Cochrane-Johnstone ​ ​ (m. 1816)​
Parent	Francis Napier, 8th Lord Napier (father)
Relatives	Francis Napier, 10th Lord Napier (son)
Profession	Naval officer, trade envoy

William John Napier, 9th Lord Napier, Baron Napier (Chinese: 律勞卑) FRSE (13 October 1786 – 11 October 1834) was a British Royal Navy officer and trade envoy in China.