Family name Dellacqua (Dellacqua 
) , all around the world, is a rare cognomen. The cognomen Dellacqua is habitual in Uruguay, where it is a rare surname, Italy, and Argentina. In absolute terms, it is commonest in the United States, Italy, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Dellacqua | Brazil, Argentina, Australia, United States, Italy |
Dell'Acqua, and Dellácqua
|
casey dellacqua Australian tennis player, AU (b. 1985) |
|
| jacob dellacqua French writer, FR (b. 1939) |
|
Mr, Luis, Jose, Joan, Joao, Jeff, Juan, Tony, Toni, Hugo, Ivan, Iago, Iusa, Maria, Mario, Marco, Marã, Magno, Mauri, Mabel, Alexa, Alice, Luca, Lisa, Lais, Gina, Ms, Ana, Ann, Ari, Jan, Marc, Mark, Mike, Alex, Anna, Amber, Anne, Caio, Paul, Rosa, Rene, Reno, Rita, Dale, Dawn, Dona, Dora, Adri, and Agnes