| 5th Rivers State House of Assembly | |
| Body: | Rivers State House of Assembly |
| Jurisdiction: | Rivers State, Nigeria |
| Election: | 3 May 2003 |
| Before: | 4th |
| After: | 6th |
| Chamber1: | 5th Assembly |
| Membership1: | 32 |
| Chamber1 Leader1 Type: | Speaker |
| Chamber1 Leader1: | Chibuike Amaechi |
| Chamber1 Leader2 Type: | Deputy Speaker |
| Chamber1 Leader2: | Tonye Harry |
| Chamber1 Leader3 Type: | Leader |
| Chamber1 Leader3: | Tamunosisi Gogo Jaja |
| Chamber1 Leader4 Type: | Deputy Leader |
| Chamber1 Leader4: | James George Fuayefika |
| Chamber1 Leader5 Type: | Whip |
| Chamber1 Leader5: | Hope Ikiriko |
| Chamber1 Leader6 Type: | Deputy Whip |
| Chamber1 Leader6: | Marcus Nle Ejii |
The 5th Rivers State House of Assembly was in session from 29 May 2003 until 28 May 2007. All members of the House were elected on 3 May 2003. The majority party was the Rivers State People's Democratic Party led by Uche Secondus. The presiding officer (Speaker) of the Assembly was Chibuike Amaechi.
| Constituency | Name | Political party | |
|---|---|---|---|
| Abua–Odual | Henry Itotenaan Ogiri | PDP | |
| Ahoada East I | Beatrice Awala | PDP | |
| Ahoada East II | Kennedy Ebeku | PDP | |
| Ahoada West | Hope Odhuluma Ikiriko | PDP | |
| Akuku-Toru I | Anthonia Ineba Membere | PDP | |
| Akuku-Toru II | Kitchener Iboroma | PDP | |
| Andoni | Sam Sam Etetegwung | PDP | |
| Asari-Toru I | Daniel Otelemaba Amachree | PDP | |
| Asari-Toru II | Micheal Ibinabo West | PDP | |
| Bonny | George Fubara Tolofari | PDP | |
| Degema | Tonye Harry | PDP | |
| Eleme | Marcus Nle Ejii | PDP | |
| Emohua | Chidi Julius Lloyd | PDP | |
| Etche I | Okey Amadi | PDP | |
| Etche II | Charles Anyanwu | PDP | |
| Gokana | Gabriel B. Pidomson | PDP | |
| Ikwerre | Chibuike Amaechi | PDP | |
| Khana I | Gregory Pie-Noah | PDP | |
| Khana II | Leyii Kwanee | PDP | |
| Obio-Akpor I | Glory N. Chukwu | PDP | |
| Obio-Akpor II | Anthony Okeah | PDP | |
| Ogba–Egbema–Ndoni I | Augustine Wokocha | PDP | |
| Ogba–Egbema–Ndoni II | Ishmael Nelson Singerr | PDP | |
| Ogu–Bolo | Boma Iyaye | PDP | |
| Okrika | James George Fuayefika | PDP | |
| Omuma | E.A. Nwogu | PDP | |
| Opobo–Nkoro | Tamunosisi Gogo Jaja | PDP | |
| Oyigbo | Prince Precious Oforji | PDP | |
| Port Harcourt I | Chidiebere Okwuwolu | PDP | |
| Port Harcourt II | Fubara Exodus Imangs | PDP | |
| Port Harcourt III | Charles Achor Nsiegbe | PDP | |
| Tai | John Bazia | PDP |