- Source: Opalka
- Adolf Opálka
- Hallencourt
- Polandia
- Anthropoid (film)
- The Man with the Iron Heart (film)
- Litium aluminium hidrida
- Opalka
- Roman Opałka
- Adolf Opálka
- Sophie: A Murder in West Cork
- Harry Lloyd
- Anthropoid (film)
- The Man with the Iron Heart (film)
- Enzo Cilenti
- Out Distance
- Ithaca Downtown Historic District (Ithaca, New York)
Opalka is a surname. Notable people with the surname include:
Adolf Opálka (1915–1942), Czechoslovak soldier during the World War II
Roman Opałka (1931–2011), French-born Polish painter