2009 Penanti by-election|
|
|
 
|   | 
 PKR | 
 IND | 
 IND |  
| Candidate | 
Mansor Othman | 
Nai Khan Ari Nai Keow | 
Aminah Abdullah |  
| Party | 
PKR | 
Independent | 
Independent |  
| Alliance | 
PR | 
 | 
 |  
| Popular vote | 
6,052 | 
494 | 
392 |  
| Percentage | 
86.53% | 
7.06% | 
5.6% |  
  |  
 
|   | 
 IND | 
 |  
| Candidate | 
Kamarul Ramizu Idris | 
 |  
| Party | 
Independent | 
 |  
| Popular vote | 
56 | 
 |  
| Percentage | 
0.8% | 
 |  
 
  | 
 
Penanti assemblyman before election 
Mohammad Fairus Khairuddin 
PKR  | 
Elected Penanti assemblyman  
Mansor Othman 
PKR  |  
  | 
An election to fill the state assembly seat for Penanti was held on 31 May 2009. Penanti has 15,384 registered voters, with 73% of them Malays, 24% Chinese, 2% Indians and 0.7% of other communities. Dr Mansor Othman of the People's Justice Party (PKR) party won the election.