Ralph Joshua Dela Cruz Dionisio is a Filipino child actor who debuted in television action series, Super Inggo as Kennedy Pamintuan, gaining a complement from publics. Then, he played Maria's childhood lover in Maria Flordeluna and the lead characters in Kung Fu Kids. For his contribution to the "Sako" an episode of Maalaala Mo Kaya in 2008, Dionisio was awarded PMPC Star Awards for Television for the Best Single Performance. After that, he landed in Stairway To Heaven(2009), First Time in 2010,Reel Love Presents: Tween Hearts (2011). His breakthough comes with Party Pilipinas and Reel Love Presents: Tween Hearts.
Joshua Dionisio began his career as model at the age of 8. Then, he was discovered through casting ABS-CBN and VIVA Films. Joshua Dionisio made his first TV appearance as the young Nicolai "Nicos" Argos in Kay Tagal Kang Hinintay. He has a younger brother, Jacob, his co-star on Super Inggo.
There is no record on his personal life.