The 1888 Hong Kong Sanitary Board election was held on 11 June 1888 for the two unofficial seats in the Sanitary Board of Hong Kong.
The 1891 Hong Kong Sanitary Board election held on 17 June 1891 was the second election for the two unofficial seats in the Sanitary Board of Hong Kong.
The 1899 Hong Kong Sanitary Board election was supposed to be held on 18 December 1899 for the two unofficial seats in the Sanitary Board of Hong Kong. Only persons on the jury lists of the year were eligible to vote. There were only two candidates therefore only 19 votes were cast as a formality.
The 1901 Hong Kong Sanitary Board election was supposed to be held on 15 April 1901 for the vacancies of two unofficial seats on the Sanitary Board of Hong Kong. Only ratepayers who were included in the special and common jury lists of that year, or ratepayers who were exempted from serving on juries on account of their professional vocations were entitled to vote in the election.
The 1903 Hong Kong Sanitary Board election was held on 25 March 1903 was the second election for the two unofficial seats in the Sanitary Board of Hong Kong under the reconstituted Public Health and Building Ordinance of 1903.
The 1906 Hong Kong Sanitary Board election was supposed to be held on 22 January 1906 for the two unofficial seats in the Sanitary Board of Hong Kong.
The 1912 Hong Kong Sanitary Board election was held on 19 January 1912 for the two unofficial seats in the Sanitary Board of Hong Kong.
The 1927 Hong Kong Sanitary Board election was supposed to be held on 30 December 1927 for one of the two unofficial seats in the Sanitary Board of Hong Kong.
The 1929 Hong Kong Sanitary Board election was supposed to be held on 22 May 1929 for one of the two unofficial seats in the Sanitary Board of Hong Kong.
The 1930 Hong Kong Sanitary Board election was supposed to be held on 8 December 1930 for one of the two unofficial seats in the Sanitary Board of Hong Kong.
The May 1932 Hong Kong Sanitary Board election was held on 10 May 1932 for one of the two unofficial seats in the Sanitary Board of Hong Kong. It was one of the few contests in the Sanitary Board elections.
The November 1932 Hong Kong Sanitary Board election was held in November 1932 for one of the two unofficial seats in the Sanitary Board of Hong Kong.
The 1933 Hong Kong Sanitary Board election was supposed to be held on 27 December 1933 for one of the two unofficial seats in the Sanitary Board of Hong Kong. Only one nomination was received therefore no actual election was held.
The 1935 Hong Kong Sanitary Board election was supposed to be held on 22 May 1935 for one of the two unofficial seats in the Sanitary Board of Hong Kong. It was the last election for the Sanitary Board before it was renamed to Urban Council in 1936.
The 1940 Hong Kong Urban Council election was held on 29 February 1940 for one of the two unofficial seats in the Urban Council of Hong Kong. It was the first contested election since the establishment of the Urban Council of Hong Kong and also the last one before the outbreak of the Pacific War. The next election to be held would be the 1952 election, twelve years later.
A plebiscite on whether the Sanitary Board should have an official or unofficial majority was held in Hong Kong in June 1896. It was the only plebiscite conducted by the Hong Kong Government on record. The other de facto referendum launched by the pro-democracy camp through the by-election in 2010 was not officially recognised.
The 1926 Hong Kong Sanitary Board election was held on 12 April 1926 for replacing the retiring C. Grenville Alabaster in the Sanitary Board of Hong Kong. It was one of the few contests in the Sanitary Board elections.
The 1915 Hong Kong Sanitary Board election was held on 22 January 1915 for the two unofficial seats in the Sanitary Board of Hong Kong.
The 1916 Hong Kong Sanitary Board election was held on 18 February 1916 for an elected seat in the Sanitary Board of Hong Kong.
The 1922 Hong Kong Sanitary Board election was supposed to be held on 28 September 1919 for one of the two unofficial seats in the Sanitary Board of Hong Kong.
