Television footage of the 2004 Indian Ocean earthquake and tsunami showed an eight-year-old boy wearing a No. 7 Portuguese football jersey who was stranded for 19 days after his family was killed. Following this, Ronaldo visited Aceh, Indonesia, to raise funds for rehabilitation and reconstruction.
In 2009, Ronaldo donated £100,000 to the hospital that saved his mother's life in Madeira following her battle with cancer, so that they could build a cancer centre in his native island Madeira.
In support of the victims of the 2010 Madeira flood, Ronaldo pledged to play in a charity match in Madeira between the Primeira Liga club FC Porto and players from Madeiran based clubsMarítimo and Nacional.
In November 2011, Ronaldo donated a pair of his football boots to be auctioned by Real Madrid's 'Clasico' network. They were sold for £2050 with the proceeds going to fund schools in Gaza,Palestine.
(Pada bulan November 2011, Ronaldo menyumbangkan sepasang but bola sepak beliau untuk dilelong oleh rangkaian 'Clasico' Real Madrid. Mereka telah menjual dengan harga £ 2050 hasilnya pergi untuk membiayai sekolah-sekolah di Gaza, Palestin. )
In May 2012, Ronaldo and his agent, Jorge Mendes, decided to fund a pioneering treatment for a nine-year-old boy when it seemed that there was no hope left for the child, who has been battling cancer since before his second birthday.