| John Maneniaru | |
| Nationality: | Solomon Islands |
| Office1: | Minister for Fisheries and Marine Resources |
| Term Start1: | 15 December 2014 |
| Term End1: | 13 October 2017 |
| Office2: | Minister of Finance of the Solomon Islands |
| Term Start2: | 13 October 2017 |
| Term End2: | 6 November 2017 |
| Predecessor2: | Snyder Rini |
| Successor2: | Manasseh Sogavare |
| Birth Date: | 1965 6, df=y |
| Birth Place: | Uhu village, Malaita Province |
| Party: | Kadere Party |
John Maneniaru (born 20 June 1965) is a politician of Solomon Islands who served as Minister for Fisheries and Marine Resources, and very briefly Minister for Finance and Treasury.[1] He served as Deputy Prime Minister under Prime Minister Sogavare until 30 September 2019 when he was terminated after abstaining in the vote to switch Solomon Islands' recognition from Taiwan to China.[2]