| Country: | Taiwan |
| Type: | legislative |
| Previous Election: | 1995 Taiwanese legislative election |
| Previous Year: | 1995 |
| Next Election: | 2001 Taiwanese legislative election |
| Next Year: | 2001 |
| Seats For Election: | All 225 seats in the Legislative Yuan |
| Majority Seats: | 113 |
| Election Date: | 5 December 1998 |
| Turnout: | 68.09% |
| Image1: | President Lee teng hui (cropped).png |
| Party1: | Kuomintang |
| Last Election1: | 46.06%, 85 seats |
| Seats1: | 123 |
| Seat Change1: | 38 |
| Popular Vote1: | 4,659,679 |
| Percentage1: | 46.43% |
| Swing1: | 0.33pp |
| Leader2: | Lin Yi-hsiung |
| Party2: | Democratic Progressive Party |
| Seats2: | 70 |
| Seat Change2: | 16 |
| Popular Vote2: | 2,966,835 |
| Percentage2: | 29.56% |
| Swing2: | 3.64pp |
| Image3: | 周陽山.jpg |
| Party3: | New Party (Taiwan) |
| Last Election3: | 12.95%, 21 seats |
| Seats3: | 11 |
| Seat Change3: | 10 |
| Popular Vote3: | 708,465 |
| Percentage3: | 7.06% |
| Swing3: | 5.94pp |
| Map2 Image: | 1998_ROCLY_cartogram.svg |
| Map2 Caption: | Elected member party by seat |
| President | |
| Before Election: | Liu Sung-pan |
| Before Party: | Kuomintang |
| After Election: | Wang Jin-pyng |
| After Party: | Kuomintang |
Legislative elections were held in Taiwan on 5 December 1998.[1] The result was a victory for the Kuomintang, which won 123 of the 225 seats. Voter turnout was 68%.[2]