| Country: | Liechtenstein |
| Previous Election: | 1886 |
| Next Election: | 1894 |
| Election Date: | 12 and 16 April 1890 |
| Seats For Election: | 12 seats in the Landtag |
| Nopercentage: | yes |
| Landesverweser | |
| Before Election: | Carl von In der Maur |
| After Election: | Carl von In der Maur |
| Flag Year: | 1852 |
General elections were held in Liechtenstein on 12 and 16 April 1890.
Electors were selected through elections that were held between 28 March and 3 April. Each municipality had two electors for every 100 inhabitants.
| Municipality | Electors | +/– | |
|---|---|---|---|
| Balzers | 24 | 0 | |
| Eschen | 20 | 0 | |
| Gamprin | 8 | 0 | |
| Mauren | 20 | 0 | |
| Planken | 2 | 0 | |
| Ruggell | 12 | 0 | |
| Schaan | 22 | 0 | |
| Schellenberg | 8 | 0 | |
| Triesen | 24 | 0 | |
| Triesenberg | 22 | 0 | |
| Vaduz | 20 | 0 | |
| Total | 182 | 0 | |
| Source: Vogt[1] | |||
The election of Oberland's Landtag members and substitutes was held on 12 April in Vaduz. Of Oberland's 114 electors, 113 were present. Oberland elected seven Landtag members and three substitutes.
The election of Unterland's Landtag members and substitutes was held on 16 April in Mauren. All of Unterland's 68 electors were present. Unterland elected five Landtag members and two substitutes.
| Electoral district | Seats | Electors | Turnout | Ballots | Elected members | Elected substitutes | |
|---|---|---|---|---|---|---|---|
| Oberland | 7 | 114 | 113 | 1st | Rudolf Quaderer | ||
| 2nd | |||||||
| 3rd | – | ||||||
| Unterland | 5 | 68 | 68 | 1st | Wilhelm Fehr | ||
| 2nd | Jakob Kaiser | Lorenz Kind | |||||
| 3rd | – | – | |||||
| Source: Vogt | |||||||