Italy at the 2019 World Aquatics Championships
Italy competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Artistic swimming
Italy's artistic swimming team consisted of 14 athletes.;Women
;Mixed
Legend: = Reserve Athlete
Diving
Italy's diving team consisted of 7 athletes.;Men
;Women
;Mixed
High diving
Italy qualified one male high diver.| Athlete | Event | Points | Rank |
| Alessandro de Rose | Men's high diving | 378.90 | 5 |
Open water swimming
Italy qualified six male and four female open water swimmers.;Men
| Athlete | Event | Time | Rank |
| Domenico Acerenza | 5 km | 53:34.0 | 5 |
| Marcello Guidi | 5 km | 53:41.0 | 17 |
| Alessio Occhipinti | 25 km | 4:51:09.5 | |
| Gregorio Paltrinieri | 10 km | 1:48:01.0 | 6 |
| Simone Ruffini | 25 km | 4:51:14.9 | 4 |
| Mario Sanzullo | 10 km | 1:48:04.7 | 9 |
;Women
| Athlete | Event | Time | Rank |
| Arianna Bridi | 10 km | 1:54:52.0 | 13 |
| Arianna Bridi | 25 km | 5:11:52.6 | 7 |
| Rachele Bruni | 5 km | 57:58.7 | 5 |
| Rachele Bruni | 10 km | 1:54:49.9 | |
| Giulia Gabbrielleschi | 5 km | 57:59.0 | 6 |
| Barbara Pozzobon | 25 km | 5:12:53.7 | 13 |
;Mixed
| Athlete | Event | Time | Rank |
| Rachele Bruni Giulia Gabbrielleschi Domenico Acerenza Gregorio Paltrinieri | Team | 53:58.9 |
Swimming
Italy has entered 33 swimmers.;Men
;Women
;Mixed
Legend: = Swimmers who participated in the heat only.
Water polo
Men's tournament
;Team roster- Marco del Lungo
- Francesco di Fulvio
- Stefano Luongo
- Pietro Figlioli
- Edoardo di Somma
- Alessandro Velotto
- Vincenzo Renzuto Iodice
- Gonzalo Echenique
- Niccolo Figari
- Michaël Bodegas
- Matteo Aicardi
- Vincenzo Dolce
- Gianmarco Nicosia
- Coach: Alessandro Campagna
----
----
;Quarterfinals
;Semifinals
;Final
Women's tournament
;Team roster- Giulia Gorlero
- Chiara Tabani
- Arianna Garibotti
- Silvia Avegno
- Elisa Queirolo
- Rosaria Aiello
- Domitilla Picozzi
- Roberta Bianconi
- Giulia Emmolo
- Valeria Palmieri
- Izabella Chiappini
- Giulia Viacava
- Federica Lavi
- Coach: Fabio Conti
----
----
;Quarterfinals
;5th–8th place semifinals
;Fifth place game