The following spelling variations have been observed in various documents.

Germany and Switzerland

| Rothenhoefer |

| Rothenhoeffer |
| Rotenhoefer | Rotenhoeffer | Rottenhoefer | Rottenhoeffer |
| Rodenhoefer |

United States

| Rothenhoefer |

| Rodenhofer|
| Rothenheffer | Rotheheffer | Rodenhauser |
| Rodenheffer | Rodeheffer | Rodeheiffer |
| Rodehafer | Rodehaver | Rodeheaver |
| Rodiheaver | Rhodiheaver |
|Redheiffer | Redheffer |
| Roadifer | Rodeffer | Rodefer | Rodifer | Rodipher |