| Ionescu | Alexandru | Baiat | CSM Drobeta Turnu Severin | 2007 | 392 | 0 | Detalii |
| Ionescu Turda | Tudor | Baiat | Performer C.S. | 2012 | 1646 | 0 | Detalii |
| Ionete | Alexandru Florian | Baiat | Bluemarin Sport Club | 2014 | 2263 | 0 | Detalii |
| Ionica | Mihai | Baiat | LPS Cetate Deva | 2012 | 2705 | 0 | Detalii |
| Ionica | David Gabriel | Baiat | Swimming Team | 2016 | 2928 | 0 | Detalii |
| Ionita | Mathias Vasilica | Baiat | Aqua Sport Citius | 2015 | 2785 | 0 | Detalii |
| Ionita | Carina | Fata | ACS Vladball Academy Pitesti | 2017 | 3053 | 0 | Detalii |
| Ionita | Sofia | Fata | ACS Vladball Academy Pitesti | 2017 | 3054 | 0 | Detalii |
| Ioniță | Ștefan Alexandru | Baiat | Bluemarin Sport Club | 2013 | 2267 | 0 | Detalii |
| Ioniță | Mihnea | Baiat | Atena Sport Club Constanța | 2008 | 2288 | 0 | Detalii |
| Ioniță | Bianca | Fata | CSA Steaua | 2015 | 2647 | 0 | Detalii |
| Ioniță | Rocas Nicolae | Baiat | EnergicLL C.S. | 2010 | 552 | 0 | Detalii |
| Ioniță | Ioana | Fata | CSA Steaua | 2009 | 972 | 0 | Detalii |
| Ioniță | Ștefan | Baiat | Performer C.S. | 2009 | 1257 | 0 | Detalii |
| Ionita | Carmen Ana Maria | Fata | CSS PLOIEȘTI | 2005 | 274 | 0 | Detalii |
| Ioniță | Rebeca | Fata | CSS PLOIEȘTI | 2013 | 3468 | 0 | Detalii |
| Ioniță | Patrick | Baiat | Club Sportiv Atack Team | 2017 | 3573 | 0 | Detalii |
| Iordache | Eric | Baiat | Swimming Team | 2016 | 3346 | 0 | Detalii |
| Iordache | Matei | Baiat | Pescarusul Izvorani | 2014 | 1640 | 0 | Detalii |
| Iordache | Karina | Fata | All Stars Academy | 2013 | 1649 | 0 | Detalii |
| Iordache | Ștefan | Baiat | Dinamo București | 2013 | 1677 | 0 | Detalii |
| Iordache | Matei Alexandru | Baiat | ACS Universitar Spiru Haret | 2007 | 60 | 0 | Detalii |
| Iordache | Robert Andrei | Baiat | ACS Universitar Spiru Haret | 2011 | 61 | 0 | Detalii |
| Iordache | Tudor | Baiat | Club Sportiv Euro Swimming | 2008 | 131 | 0 | Detalii |
| Iordăchescu | Artur | Baiat | CSO Voluntari 2005 | 2009 | 1158 | 0 | Detalii |
| Iordan | Stefania Andreea | Fata | Independent | 2017 | 3013 | 0 | Detalii |
| Iordănescu | David Matias | Baiat | Swimming Team | 2014 | 2244 | 0 | Detalii |
| Iorga | Oana-Maria | Fata | C.S. Natatie Delphin Energy Galati | 2015 | 2863 | 0 | Detalii |
| Iorga | Maria | Fata | Swimming Team | 2008 | 528 | 0 | Detalii |
| Iorga | Mădălina | Fata | CS Contratimp | 2008 | 1609 | 0 | Detalii |
| Iosif | Olivia | Fata | Swimming Team | 2011 | 1417 | 0 | Detalii |
| Iosif | David Adrian Ionut | Baiat | Cursuri Inot Otopeni | 2015 | 3014 | 0 | Detalii |
| Iosif | Horia Catalin | Baiat | Independent | 2014 | 3015 | 0 | Detalii |
| Iosif | Horia | Baiat | Swim Factory | 2014 | 2609 | 0 | Detalii |
| Iosif | Matei | Baiat | CSS 1 Bucuresti | 2013 | 3746 | 0 | Detalii |
| Iosif | Ioachim-Mihail | Baiat | CSS 1 Bucuresti | 2017 | 3856 | 0 | Detalii |
| Ioțu | Ramona Anca | Fata | Palatul Copiilor Constanța | 2006 | 1266 | 14812 | Detalii |
| Iovita | Daria | Fata | CS Hyperion Brasov | 2011 | 1360 | 0 | Detalii |
| Iozu | Miruna | Fata | Swim Factory | 2014 | 2598 | 0 | Detalii |
| Iren | Yusmenova | Fata | KPS Dalyan | 2008 | 1840 | 0 | Detalii |
| Iren | Chaucheva | Fata | SK Aqua Sport | 2012 | 1976 | 0 | Detalii |
| Irimciuc | Egor | Baiat | Șc.Șp. 8 Chișinău-Moldova | 2005 | 2028 | 0 | Detalii |
| Irimia | Alexandru Gabriel | Baiat | Colegiul Emil Racovita | 2006 | 3705 | 0 | Detalii |
| Irimia | Mihnea Alexandru | Baiat | Bluemarin Sport Club | 2017 | 3574 | 0 | Detalii |
| Irina | Iuditkaia | Fata | Școala Sportivă Înot MECC | 2004 | 2020 | 0 | Detalii |
| Isac | Duncan | Baiat | Bluemarin Sport Club | 2015 | 2836 | 0 | Detalii |
| Isac | Ana Maria | Fata | CS Hyperion Brasov | 2008 | 1347 | 0 | Detalii |
| Isac | Antonia | Fata | CSM Pitesti | 2008 | 641 | 0 | Detalii |
| Istrate | Matei | Baiat | Performer C.S. | 2006 | 2708 | 22955 | Detalii |
| Istrate | Erik | Baiat | Aqua Sport Citius | 2008 | 132 | 0 | Detalii |