| Juan Héctor Guidi | |
| Fullname: | Juan Héctor Guidi |
| Birth Date: | 1930 7, df=yes |
| Birth Place: | Piñeiro, Argentina |
| Position: | Midfielder |
| Years1: | –1949 |
| Years2: | 1949–1961 |
| Years3: | 1962 |
| Years4: | 1963–1970 |
| Caps2: | 320 total |
| Caps3: | 12 |
| Caps4: | (see above) |
| Goals2: | 10 |
| Goals3: | 0 |
| Nationalyears1: | 1956–1961 |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 37 |
| Nationalgoals1: | 0 |
Juan Héctor Guidi (14 July 1930 – 8 February 1973) was an Argentine football midfielder. He played most of his career with Club Atlético Lanús he also made 37 appearances for the Argentina national team.
Guidi, born in the city of Piñeiro, Avellaneda, started his career with local club Unidos de Piñeiro, before joining Lanús in 1949. In 1950 he helped the team to win the Argentine 2nd Division in 1950.
Guidi had a spell with Club Atlético Independiente but he never achieved the level of play that he had at Lanús.
Guidi rejoined Lanús helping them to win the 2nd division title in 1964. Guidi retired from football in 1966.
Guidi represented Argentina in two Copa Américas, the victorious Peru 1957 campaign and the Ecuador 1959 where Argentina finished in second place. He played a total of 37 games for Argentina putting him in the top 50 most capped Argentine men's footballers of all time.
El Nene Guidi died in 1973 at the age of just 42, he is remembered as one of the most important idols of Club Atlético Lanús. One of the streets outside La Fortaleza was renamed Héctor Guidi in his honour.[1]