Athletes
| # | Athlete | G · S · B | Total | ||
|---|---|---|---|---|---|
| 1 | German Chiaraviglio Men · 2002–23 | 14 Jun 1987 | Pole vault | 21 gold 9 silver 5 bronze | 35 |
| 2 | German Lauro Men · 2000–19 | 2 Apr 1984 | Shot put, Shot put (6 kg), Shot put (5 kg) +3 | 21 gold 8 silver 8 bronze | 37 |
| 3 | Osvaldo Suarez Men · 1955–67 | 17 Mar 1934 | 1500m, 5000m, 10,000m +2 | 20 gold 4 silver 2 bronze | 26 |
| 4 | Juan Ignacio Cerra Men · 1992–2015 | 16 Oct 1976 | Discus throw, Discus throw (1.5 kg), Hammer throw +1 | 19 gold 5 silver 7 bronze | 31 |
| 5 | Juan Carlos Dyrzka Men · 1959–71 | 24 Mar 1941 | 400m, 110m hurdles, 400m hurdles +1 | 13 gold 9 silver 4 bronze | 26 |
| 6 | Valerio Vallania Men · 1924–31 | 14 Jul 1906 | 110m hurdles, High jump, Long jump +1 | 10 gold 0 silver 2 bronze | 12 |
| 7 | Andres Charadia Men · 1985–95 | 10 Jul 1966 | Shot put, Discus throw, Hammer throw | 9 gold 7 silver 1 bronze | 17 |
| 8 | Nazareno Sasia Men · 2017–24 | 5 Jan 2001 | Shot put, Shot put (6 kg), Shot put (5 kg) +3 | 9 gold 4 silver 3 bronze | 16 |
| 9 | Braian Toledo Men · 2008–18 | 8 Sep 1993 | Javelin throw, Javelin throw (700 g) | 9 gold 3 silver 5 bronze | 17 |
| 10 | Tomas Mondino Men · 2021–26 | 27 May 2005 | 100m, 200m, relays | 8 gold 7 silver 9 bronze | 24 |
| 11 | Elian Gaspar Larregina Men · 2020–26 | 20 Feb 2000 | 400m, relays | 8 gold 7 silver 5 bronze | 20 |
| 12 | Raul Ibarra (1914) Men · 1937–45 | – | 3000m, 5000m, 10,000m +1 | 8 gold 2 silver 1 bronze | 11 |
| 13 | Federico Bruno Men · 2011–22 | 18 Jun 1993 | 1500m, 5000m | 7 gold 5 silver 2 bronze | 14 |
| 14 | Jose Vallejo Men · 1961–79 | 22 Oct 1942 | Shot put, Discus throw, Hammer throw | 7 gold 5 silver 0 bronze | 12 |
| 15 | Carlos Rene Gambetta Men · 1976–83 | 5 Dec 1961 | 100m, 200m, High jump +3 | 7 gold 3 silver 3 bronze | 13 |
| 16 | Ricardo Heber Men · 1947–62 | 28 Sep 1927 | Javelin throw | 7 gold 2 silver 0 bronze | 9 |
| 17 | Marcelo Pugliese Men · 1987–2005 | 2 Sep 1968 | Shot put, Discus throw, Hammer throw | 6 gold 9 silver 7 bronze | 22 |
| 18 | Luis Migueles Men · 1983–93 | 1 Apr 1965 | 800m, 1500m, relays | 6 gold 6 silver 3 bronze | 15 |
| 19 | Joaquin Gomez Men · 2012–26 | 14 Oct 1996 | Hammer throw, Hammer throw (6 kg), Hammer throw (5 kg) | 6 gold 4 silver 5 bronze | 15 |
| 20 | Antonio Silio Men · 1984–98 | 9 May 1966 | 1500m, 5000m, 10,000m +2 | 6 gold 3 silver 4 bronze | 13 |
| 21 | Leopoldo Ledesma Men · 1926–31 | 20 Jul 1903 | 800m, 1500m | 6 gold 2 silver 0 bronze | 8 |
| 22 | Oscar Veit Men · 1983–97 | 11 Sep 1963 | Pole vault, Decathlon | 6 gold 1 silver 4 bronze | 11 |
| 23 | Fabian Di Paolo Men · 1998–2002 | 25 Nov 1983 | Hammer throw, Hammer throw (6 kg), Hammer throw (5 kg) | 6 gold 1 silver 0 bronze | 7 |
| 24 | Andres Calonge Men · 1964–69 | 2 Apr 1945 | 100m, 200m, 400m +1 | 6 gold 0 silver 5 bronze | 11 |
| 25 | Hugo Antonio Alzamora Men · 1978–83 | 21 Jan 1962 | 100m, 200m, relays | 5 gold 4 silver 3 bronze | 12 |
Only international medals count: national championship titles are left out.