Wu Hui Ju (Traditional Chinese: 吳蕙如, Wade-Giles: Wu Hui-ju, pinyin: Wú Huìrú, born 12 November 1982) is an athlete from the Republic of China. She competes in archery.

Wu represented the Republic of China (as Chinese Taipei) at the 2004 Summer Olympics. She placed 10th in the women's individual ranking round with a 72-arrow score of 649. In the first round of elimination, she faced 55th-ranked Narguis Nabieva of Tajikistan. Wu defeated Nabieva 156-142 in the 18-arrow match to advance to the round of 32. In that round, she faced 23rd-ranked German archer Anja Hitzler, defeating her 9-8 in a tie-breaker after the first 18 arrows resulted in a tie at 156. Wu then defeated 7th-ranked Justyna Mospinek of Poland 160-151, advancing to the quarterfinals.

In the quarterfinals, Wu faced Lee Sung Jin of Korea, losing to the 2nd-ranked and eventual silver medalist archer. The final score of 104-103 in the 12 arrow match placed Wu 6th overall in women's individual archery.

Wu was also a member of the team that won the bronze medal for Chinese Taipei in the women's team archery competition.