In 2003 Lagos state elected senator there are 30 contested political parties that participated in the election
Election was conducted on April 12 and the list of participated party are
AD
ANPP
APGL
APLP
ARP
BNPP
CPN
DA
GPN
JP
LDPN
MDJ
MMN
NAC
NAP
NCP
ND
NDP
NMMN
NNPP
NPC
NRP
PAC
PDP
PMP
PRP
PSD
PSP
UDP
UNPP
2003 Lagos State elected senator
Musiliu Obanikoro represented Lagos Central, Tokunbo Afikuyomi represented Lagos West and Adeleke Mamora represented Lagos East all won on the party of the Alliance for Democracy AD
| PARTY | Elected candidate | Votes counts |
|---|---|---|
| AD | 3 | 603,791 |
| ANPP | 0 | 72,588 |
| APGA | 0 | 59,832 |
| APLP | 0 | 2,089 |
| ARP | 0 | 1,800 |
| BNPP | 0 | 1,482 |
| CPN | 0 | 2,921 |
| DA | 0 | 2,464 |
| GPN | 0 | 1,314 |
| JP | 0 | 23,739 |
| LDPN | 0 | 642 |
| MDJ | 0 | 1,158 |
| MMN | 0 | 803 |
| NAC | 0 | 1,370 |
| NAP | 0 | 3,959 |
| NCP | 0 | 116,054 |
| ND | 0 | 7,201 |
| NDP | 0 | 12,392 |
| NMMN | 0 | 576 |
| NNPP | 0 | 2,775 |
| NPC | 0 | 5,321 |
| NRP | 0 | 2,167 |
| PAC | 0 | 92,074 |
| PDP | 0 | 403,333 |
| PMP | 0 | 2,800 |
| PRP | 0 | 1,001 |
| PSD | 0 | 1,056 |
| PSP | 0 | 486 |
| UDP | 0 | 1,250 |
| UNPP | 0 | 6,289 |
