For his lifetime achievement and contributions in drama, children's literature, and children's television, Villanueva was honored by several public and private institutions, including:

2007 National Book Awards (Children's Book)

2007 Multiple Intelligence Award

2006 U.P. Library Science Alumni Association and National Book Committee

2006 Filipino Department, Ateneo de Manila University

2006 The Book Worm Buddy: A Guide to the Best Philippine Children's Literature

2005 Pinakamahusay na Alagad ng Sining

2005 Philippine Educational Theater Association

2005 Gawad Lope K. Santos Gantimpalang

2005 U.P. Institute of Creative Writing

2004 World Congress of the International Reading Association

2004 Gawad CCP Para sa Sining (Literatura)

2003 Kwentista ng mga Tskiting (Kuting)

2002 Philippine Board on Books for Young People

2002 Gawad Pambansang Alagad ni Francisco Balagtas by the Unyon ng mga Manunulat sa Pilipinas (UMPIL)

2001 Reading Association of the Philippines

2001 Araw ng Maynila by the City Government of Manila

1992 Gawad CCP Para sa Telebisyon

1989 National Book Award

1989 Gawad Quezon by the Quezon City Government

1987 Catholic Mass Media

1987- 1992 Surian ng Wikang Pambnsa (National Language Institute)

1986 Philippine Children's Foundation