| Seumanu Aita Ah Wa | |
| Office2: | Minister of Justice |
| Term Start2: | 20 March 2001 |
| Term End2: | 23 January 2004 |
| Primeminister2: | Tuila'epa Sa'ilele Malielegaoi |
| Predecessor2: | Molioo Teofilo Vaeluaga |
| Successor2: | Ga'ina Tino |
| Office4: | Minister of Agriculture |
| Term Start4: | 1979 |
| Term End4: | 1982 |
| Constituency Mp10: | Fa'asaleleaga No. 1 |
| Parliament10: | Samoa |
| Term Start10: | 21 May 1999 |
| Term End10: | 23 January 2004 |
| Predecessor10: | Tofilau Eti Alesana |
| Successor10: | Tiata Sili Pulufana |
| Term Start11: | 24 February 1979 |
| Term End11: | 22 February 1985 |
| Predecessor11: | Lilomaiava Niko |
| Successor11: | Matautia Sa'e |
| Death Date: | 23 January 2004 |
| Death Place: | Auckland, New Zealand |
| Party: | Human Rights Protection Party |
Seumanu Aita Ah Wa (died 23 January 2004)[1] was a Samoan politician and former Cabinet Minister. He was a member of the Human Rights Protection Party.
Seumanu was a businessman.[1] He was first elected to the Legislative Assembly of Samoa at the 1979 election, and was appointed Minister of Agriculture.[2] He lost his seat in the 1985 election. Following the death of former Prime Minister Tofilau Eti Alesana he was re-elected to parliament in the 1999 Fa’asalele’aga No 1 By-election.[3] He was re-elected in 2001 and was appointed Minister of Justice.[4] [5]
Seumanu died of cancer in Auckland, New Zealand where he was receiving medical treatment.[1] He was given a state funeral and buried at his home village of Saleimoa.[6] His death triggered the 2004 Fa’asalele’aga No 1 By-election, which was won by Tiata Sili Pulufana.[7]