Asistio was afflicted with polycystic ovary syndrome at age 13. She and Mark Herras were partners since 2008 until their breakup in 2013.
[9] In July 2022, she married Bully Carbonel, and welcomed their child Ava Zafina.[10]
^Glaiza Jarloc, July 13, 2013, Philippine Sun Star, Ynna Asistio, Mark Herras end romance, Retrieved May 15, 2015, "...actress herself confirmed the split via a text message to ABS-CBN employee ..."
^Philippine Daily Inquirer, June 1, 2011, Ynna Asistio still bugged by irate fans, Retrieved May 15, 2015, "..Young actress Ynna Asistio, current girlfriend of actor Mark Herras...."
^Philippine Daily Inquirer, March 3, 2015, Dolly Anne Carvajal, Derek Ramsay finds new love, Retrieved May 15, 2015, "... Ynna Asistio is Derek Ramsay's new squeeze?..."
^Marinel R. Cruz, Philippine Daily Inquirer, December 23, 2010, Inquirer Entertainment, A new home for Ynna Asistio, Retrieved May 15, 2015, "... Ynna's family transferred to this seven-bedroom, three-storey home in Ayala Heights, Quezon City. ..."