| Lythe Pillay | |
| Honorific Suffix: | OLY |
| Nationality: | South African |
| Sport: | Athletics |
| Event: | 400 metres |
| Birth Date: | 25 February 2003 |
| Birth Place: | Benoni, South Africa[1] |
| Pb: | 400 m: 44.33 (Pietermaritzburg 2024) |
Lythe Pillay (born 25 February 2003) is a South African athlete, who specializes in the 400 metres.[2] He won the gold medal in the men’s 400m final at the World Athletics U20 Championships in Cali, Colombia. He competed in the men's 4 × 400 metres relay event at the 2020 Summer Olympics,[3] and won his heat on 5 August at the 2024 Summer Olympics in Paris.