| Lajos Dunai | |
| Birth Date: | 1942 11, df=yes |
| Birth Place: | Budapest, Hungary |
| Death Place: | Budapest, Hungary |
| Position: | Defender |
| Youthyears1: | 1953–1961 |
| Youthclubs1: | Csillaghegy |
| Years1: | 1961–1964 |
| Clubs1: | III. Kerületi TUE |
| Years2: | 1964–1974 |
| Clubs2: | MTK Budapest |
| Nationalyears1: | 1966 |
| Nationalteam1: | Hungary |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Medaltemplates-Expand: | yes |
Lajos Dunai (29 November 1942 – 18 December 2000) was a Hungarian footballer. He was born in Budapest. He competed at the 1968 Summer Olympics in Mexico City, where he won a gold medal with the Hungarian team.[1]
He played for Csillaghegy, III. Kerületi TUE and MTK Budapest and for the Hungary national football team twice.[2]