Rubi - Sakm
- Rubin , Vera Cooper
- Rumford , Benjamin Thompson, Count
- Rumford, Benjamin Thomson, Count
- Runcorn , Stanley Keith
- Rushton , William Albert Hugh
- Ruska
- Ruska , Ernst August Friedrich
- Russell
- Russell , Bertrand Arthur William
- Russell , Henry Norris
- Rutherford
- Rutherford , Daniel
- Rutherford , Ernest
- Ružička , Leopold