Carl Roman Abt
| Carl Roman Abt | |
|---|---|
| Born | 16 July 1850 | 
| Died | 1 May 1933 (aged 82) | 
| Citizenship | Switzerland | 
| Children | none | 
| Parent(s) | Roman Abt (1810–85), Marie Abt | 
| Engineering career | |
| Discipline | Rail transport | 
| Significant design | Funicular automatic turnout, Rack railway systems | 
Carl Roman Abt (16 July 1850 – 1 May 1933) was a Swiss mechanical engineer, inventor and entrepreneur. He made groundbreaking innovations in rack-and-pinion railways, giving his name to one of the most widely used systems developed for mountain railways, the Abt rack system.