The National Democratic Alliance is a name used by political parties of several countries:

Democratic Alliance may refer to:

Narendra Damodardas Modi (Gujarati: નરેન્દ્ર મોદી; born 17 September 1950) is the current Chief Minister of the Indian state of Gujarat. Born in a middle class family in Vadnagar, he was the third of six children born to Damodardas Mulchand Modi and his wife Heeraben. He has been a member of the Rashtriya Swayamsevak Sangh (RSS) since childhood also having interest in politics since adolescence. He holds a master's degree in political science. In 1998, he was chosen by L. K. Advani, the leader of the Bharatiya Janata Party (BJP), to direct the election campaign in Gujarat as well as Himachal Pradesh.

He became Chief Minister of Gujarat in October 2001, promoted to the office at a time when his predecessor Keshubhai Patel had resigned, following the defeat of BJP in the by-elections. His tenure as chief minister of Gujarat began on 7 October 2001, and he is the longest serving Chief Minister of the state of Gujarat. In July 2007 he became the longest serving Chief Minister in Gujarat's history when he had been in power for 2063 days continuously. He was elected again for a third term on 23 December 2007 in the state elections, which he had cast as a "referendum on his rule".

Pieter van Dalen (born 22 March 1966) is a South African politician in the National Assembly of South Africa with the Democratic Alliance (DA).

Van Dalen was born in the town of Kuils River in the Western Cape and attended De Kuilen High School He is a Democratic Alliance member of the Parliament of South Africa and DA Deputy Shadow Minister of Public Enterprises.

Sonia Gandhi (born Antonia Edvige Albina Maino on 9 December 1946) is an Italian-born Indian politician and the President of the Indian National Congress, one of the major political parties of India. She is the widow of former Prime Minister of India, Rajiv Gandhi and belongs to Nehru–Gandhi family. After his assassination in 1991, she was invited by the Indian National Congress to take over the Congress but refused and publicly stayed away from politics amidst constant prodding by the Congress. She finally agreed to join politics in 1997; in 1998, she was elected as the leader of the Congress.

Since then, Sonia Gandhi has been the President of the Indian National Congress Party. She has served as the Chairperson of the ruling United Progressive Alliance in the Lok Sabha since 2004. In September 2010, on being re-elected for the fourth time, she became the longest serving president in the 125-year history of the Congress party. Her foreign birth has been a subject of much debate and controversy. Although Sonia is actually the fifth foreign-born person to be leader of the Congress Party, she is the first since independence in 1947.