The 1986 Porirua City Council election was part of the 1986 New Zealand local elections, to elect members to sub-national councils and boards. The polling was conducted using the first-past-the-post electoral method.
The Porirua City Council following the 1986 election consisted of a mayor and sixteen councillors elected from six wards (Pukerua Bay, Plimmerton-Paremata, Whitby, Ascot Park-Waitangirua, Cannons Creek and Titahi Bay).
The Pukerua Bay Ward elected one member to the Porirua City Council
The Plimmerton-Paremata Ward elected three members to the Porirua City Council
The Whitby Ward elected one member to the Porirua City Council
The Ascot Park-Waitangirua elected three members to the Porirua City Council
The Cannons Creek Ward elected four members to the Porirua City Council
The Titahi Bay Ward elected four members to the Porirua City Council
The Porirua/Tawa Ward elected two members to the Wellington Regional Council
The Porirua/Tawa Ward elected one member to the Wellington Harbour Board
The Porirua/Tawa Ward elected two members to the Wellington Hospital Board