Isidro Lángara Galarraga (25 May 1912 in Pasaia, Guipúzcoa — 21 August 1992 in Andoain) was a Spanish football striker. He played 12 times for Spain, scoring 17 goals.

Lángara began his football career playing for local teams, Bildur Guchi, Esperanza de San Sebastián, Siempre Adelante de Pasajes and Andoain in his native Basque country, eventually signing for then third divison team Tolosa CF. When he turned 18 his goalscoring abilites were recognized by second division team Real Oviedo, a club with whom he would remain for 6 years until the Spanish Civil War broke out in 1936.

At Oviedo he was the figurehead of the celebrated Delantera Eléctrica, a forward line of lightning quick youthful talent that steam-rolled teams with high tempo highly skilled play; but for the onset of war the team would have surely improved upon the two third places in the seasons that preceded the war.

He was the winner of the Pichichi Trophy, awarded to the top scorer in the Spanish League, in the three seasons before the war, with 27 goals in 1933-34, 26 goals in 1934-35 and 28 goals in 1935-36. Even before that he was top scorer in the spanish second division the year Real Oviedo was promoted.

Cristiano Ronaldo dos Santos Aveiro,OIH, (born 5 February 1985), commonly known as Cristiano Ronaldo, is a Portuguese footballer who plays as a winger or striker for Spanish La Liga club Real Madrid and is the captain of the Portuguese national team. Ronaldo became the most expensive footballer in history after moving from Manchester United to Real Madrid in a transfer worth £80 million (€93.9 million/$131.6 million). In addition, his contract with Real Madrid, in which he is paid €12 million per year, makes him one of the highest-paid footballers in the world, and his buyout clause is valued at €1 billion as per his contract.

Ronaldo began his career as a youth player for Andorinha, where he played for two years, before moving to C.D. Nacional. In 1997, he made a move to Portuguese giants Sporting Clube de Portugal. Ronaldo's precocious talent caught the attention of Manchester United manager Alex Ferguson, who signed him for £12.24 million (€15 million) in 2003. The following season, Ronaldo won his first club honour, the FA Cup. He also played at Euro 2004 with Portugal and scored his first international goal in the opening game of the tournament against Greece, in addition to helping Portugal reach the final. He was featured in the UEFA Euro All-Star Team of this competition.

Isidro Ayora Cueva (September 2, 1879 – March 22, 1978) was an Ecuadorian political figure. He served as the president of Ecuador from 1926 to 1931. Isidro Ayora, a town in Guayas, and Puerto Ayora, are named after him. Some people name coins ayora because this were introduced by him.