| NAME | DESCRIPTION | CITY | STATE/COUNTRY |
| BIRTHPLACE | Otto was born in the village of Holzhausen, near Frankfurt. | Holzhausen | GERMANY |
| MUSEUM | NICOLAUS AUGUST OTTO MUSEUM | HOLZHAUSEN AN DER HAIDE | GERMANY |
| ALMA MATER | Wiedbachschule | Bad Schwalbach | GERMANY |
| DEATHPLACE | COLOGNE | GERMANY | |
| BURIAL | MELATEN-FRIEDHOF | Stadtkreis Köln, Nordrhein-Westfalen COLOGNE | GERMANY |
| MONUMENT | DEUTZ MESSE BAHNHOF | COLOGNE | GERMANY |
