| Official Name: | Ratkovo |
| Settlement Type: | Village (Selo) |
| Pushpin Map: | Serbia Vojvodina#Serbia#Europe |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Bačka |
| Subdivision Type3: | District |
| Subdivision Name3: | West Bačka |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Odžaci |
| Unit Pref: | Imperial |
| Population As Of: | 2011 |
| Population Total: | 3,411 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 45.45°N 39°W |
| Elevation M: | 91 |
Ratkovo (Serbian: Ратково) is a village located in the Odžaci municipality, West Bačka District, Vojvodina, Serbia. As of 2011, the population of the village is 3,411 inhabitants.
The former name of the town was Parabuć (Serbian: Парабућ). In German, it was known as Parabutsch, and in Hungarian as Paripás or Parabuty. In 1948, it was renamed Ratkovo for, a Yugoslav fighter in the Spanish Civil War.
The village was first mentioned in 1543. During the Ottoman rule (16th-17th century), Parabuć was populated by Serbs. Since the end of the 17th century, the village belonged to the Habsburg monarchy, and since 1781 many Germans settled here besides Serbs. Between 1918 and 1991, it was part of Yugoslavia.
According to the last official census done in 2011, the village of Ratkovo has 3,411 inhabitants.