Prince Rainer of Saxe-Coburg and Gotha
| Prince Rainer | |||||
|---|---|---|---|---|---|
| Head of the House of Saxe-Coburg and Gotha-Koháry | |||||
| Tenure | 6 July 1934 – 7 January 1945 | ||||
| Predecessor | Prince Peter August | ||||
| Successor | Prince Johannes Heinrich | ||||
| Born | 4 May 1900 Pula, Austria-Hungary | ||||
| Died | after 7 January 1945 (aged 44) Budapest, Kingdom of Hungary | ||||
| Spouse | Johanna Károlyi de Károly-Patty et Vasvár  (m. 1930; div. 1935) Edith de Kózol (m. 1940) | ||||
| Issue | Prince Johannes Heinrich | ||||
| 
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| House | Saxe-Coburg and Gotha-Koháry | ||||
| Father | Prince August Leopold of Saxe-Coburg and Gotha | ||||
| Mother | Archduchess Karoline Marie of Austria | ||||
| Religion | Roman Catholicism | ||||
Prince Rainer Maria Joseph Florian Ignatius Michael Gabriel Raphael Gonzaga of Saxe-Coburg and Gotha, in German: Rainer Maria Joseph Florian Ignatius Michael Gabriel Raphael Gonzaga, Prinz von Sachsen-Coburg und Gotha (4 May 1900, in Pola – after 7 January 1945). Cadet of a reigning German dynasty, Prince Rainer was the head of the House of Saxe-Coburg and Gotha-Koháry branch of the House of Wettin, heir in the female line of one of the oldest and wealthiest families of the Hungarian nobility.
He disappeared during the siege of Budapest, and was believed to have been kidnapped by Russians or killed by retreating German troops in 1945.