Nino Serdarušic (Croatian pronunciation: [ni?no serdaru?it?]; born 13 December 1996) is a Croatian tennis player.
Serdarušic had a career high junior ranking of 21, and partnering Petros Chrysochos, made the doubles semifinals of the 2014 Wimbledon Championships boys' doubles.
He made his ATP main draw debut at the 2014 ATP Vegeta Croatia Open Umag in the doubles event, partnering Dino Marcan, losing in the first round to the second seeds Pablo Cuevas and Horacio Zeballos in three sets.
In 2016, he made his first appearance in an ATP singles draw - also in the Croatia Open - losing in straight sets to Teymuraz Gabashvili.He played his first challenger final in 2018,in Ostrava and he lost against Arthur De Greef 6:4,4:6,2:6.