Shujauddin Siddiqi (10 May 1919 – 21 July 2003) was an Indian first-class cricketer. After independence, he was a first-class and Test cricket umpire in Pakistan.
Siddiqi was born in Delhi. He played in seven Ranji Trophy matches for Delhi between 1939/40 and 1945/46, scoring 138 runs at a batting average of 12.54, and taking 12 wickets as a leg spinner at a bowling average of 28.75.
He umpired one first-class match in March 1946, the Ranji Trophy semi-final between Southern Punjab and Baroda. After nearly four days of play, the match was tied – Southern Punjab scored 167 in their first innings, and Baroda replied with 106. After Southern Punjab's second innings of 146, Baroda were bowled out for 207. Baroda won a coin toss to decide which team should go forward to meet Holkar in the final.