The National Christian Union (Spanish: Unión Nacional Cristiana), also known as the White Party (Spanish: Partido Blanco, PB), was a political party in Paraguay.

The party was established on 15 May 1987.^[1] It contested the 1998 general elections. Its candidate in the presidential elections, Gustavo Bader Ibáñez, received just 0.3% of the vote. However, the party finished third in the Senate elections and won one seat.^[2]

The party did not contest the 2003 elections, but returned in the 2008 elections. It did not nominate a presidential candaidate, but received 0.11% of the vote in the Senate election and 0.06% of the vote in the Chamber of Deputies election, failing to win a seat. In the 2013 elections the party nominated Ricardo Almada as its presidential candidate.^[3] Almada finished tenth out of eleven candidates with 0.12% of the vote. The party received 0.09% of the vote in the Senate elections and 0.12% in the Chamber election, again failing to win a seat.