Rica's name day is September 18 in Austria.
Rica is a relatively modern name gaining traction in the United States, primarily as a feminine given name. It’s more commonly found in Spanish and Portuguese-speaking countries as a diminutive of names like Ricarda or Luísa. The name’s origins lie in Germanic elements meaning ‘power’ and ‘brave’, through its longer forms. Rica’s simplicity and pleasant sound contribute to its growing appeal. It evokes a mood of brightness, energy, and playful sophistication. The name is almost exclusively feminine, reinforcing its gentle and approachable character.
| Country | Day | Month | Names |
 Lithuania | 7 | February | Jomante, Ricardas, Romualdas, Vildaugas |
 Spain | 7 | February | Moisés, Ricardo |
 USA | 20 | February | Aimee, Alaric, Alarica, Alarice, Aimee, Ami, Amy, Amya, Cyd, Cydney, Desmond, Sid, Sidney, Sydnee, Sydney, Ulric |
 Austria | 21 | February | Enrica, Gunthild, Petrus |
| USA | 13 | March | Rod, Rodd, Roderica, Roderick, Rodney, Rodrigo, Rory, Solomon |
 Denmark | 24 | March | Judica, Ulrica |
| Lithuania | 3 | April | Kristijonas, Ricardas, Rimtaute, Vytenis |
| USA | 3 | April | Dick, Dickson, Dix, Dixie, Dixon, Doris, Ricarda, Ricardo, Rich, Richard, Richelle, Richman, Rick, Rickey, Ricky, Rosamond, Rosamund, Ryan |
| USA | 4 | April | Cedric, Cedrica, Plato, Tiernan, Tierney |
 Romania | 10 | April | African, Maxim, Pompie, Terentie |
| Spain | 17 | May | Eric, Erica, Pascual |
| USA | 18 | May | Aric, Eric, Erica, Erich, Erick, Ericka, Erik, Erika, Perry |
| USA | 1 | July | Aaron, Aron, Arron, Derek, Derica, Derick, Derik, Derrick, Derris, Derry, Dirk, Inga, Ingrid, Theodoric |
| USA | 4 | July | America, Calvert, Calverta, Calvin, Calvina, Kalvin |
| USA | 18 | July | Fred, Freda, Freddie, Freddy, Frederica, Frederick, Frederico, Fredrick, Fredy |
| USA | 30 | July | Casey, Enrica, Enrique, Etta, Everard, Everett, Hank, Hendrick, Henrietta, Henry, Kacey, Kacie, Kasey, Reece, Reese |
| Spain | 5 | August | Africa, Blanca, Nieves |
 Croatia | 18 | August | Jelena Križarica, Bl. Manes |
| Croatia | 8 | September | Mala Gospa, Marica, Maja, Alen |
| Croatia | 6 | October | Bruno, Fides, Verica, Vjera |
| Croatia | 20 | December | Petar Kanizije, Perica |