This is a list of the 9 observers to the European Parliament for Latvia in the 1999 to 2004 session. They were appointed by the Latvian Parliament as observers from 1 May 2003 until the accession of Latvia to the EU on 1 May 2004.
| Name | National party | EP Group | |
|---|---|---|---|
| Socialist Party | EUL–NGL | ||
| PES | |||
| For Fatherland and Freedom/LNNK | UEN | ||
| Union of Greens and Farmers | G–EFA | ||
| EPP–ED | |||
| EPP–ED | |||
| EPP–ED | |||
| EPP–ED | |||
| EPP–ED |