Parliamentary elections were held in Bolivia on 1 May 1949, electing half the seats of the Chamber of Deputies and one-third the seats in the Senate.
| Party | Votes | % | Seats | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chamber | Senate | |||||||||
| Elected | Total | +/– | Elected | Total | +/– | |||||
| bgcolor= | Republican Socialist Unity Party | 28 | 56 | +11 | 6 | 14 | 0 | |||
| bgcolor= | Revolutionary Nationalist Movement | 9 | 9 | +5 | 1 | 1 | 0 | |||
| bgcolor= | Revolutionary Left Party | 5 | 21 | –15 | 2 | 4 | 0 | |||
| bgcolor= | Liberal Party | 2 | 9 | –7 | 0 | 6 | –1 | |||
| bgcolor= | Social Democratic Party | 1 | 2 | 0 | 0 | 0 | 0 | |||
| bgcolor= | Bolivian Socialist Falange | 1 | 1 | 0 | 0 | 0 | 0 | |||
| Others | 10 | 13 | – | 0 | 2 | – | ||||
| align=left colspan=2 | Total | 56 | 111 | 0 | 9 | 27 | 0 | |||
| align=left colspan=10 | Source: New International Year Book,[1] Political Handbook of the World[2] | |||||||||