Ja'afar Tuqan (Arabic: جعفر طوقان) (also spelled Jafar Tukan; (1938 - 2014) was a Palestinian-Jordanian architect.
Ja'afar Tuqan was born in 1938 in Jerusalem, Palestine. He was the son of the Palestinian poet Ibrahim Tuqan, writer of the poem Mawtini, the current national anthem of Iraq. He was also the nephew of both the Jordanian Prime Minister Ahmad Toukan and the Palestinian poet Fadwa Tuqan and thus a member of the Tuqan family.
Tuqan graduated from the American University of Beirut in 1960.
Tuquan designed the Municipality of Amman in Ras al Ayn, and he belongs to several committees including that of the National Gallery. Ja'afar Tuqan also designed the Royal Automobile Museum, The Jordan Museum, the Central Bank of Jordan building and the Jordan Gate Towers. He was the recipient of the Aga Khan Award for Architecture for his 1991 design of a Children's Village - Aqaba, Jordan.
Tuqan served on the Board of Trustees of the Palestinian Art Court – Al Hoash.
Tuquan died on November 25, 2014 in Amman, Jordan.