Pujaut (; ) is a commune in the Gard department in southern France. The village is situated on the south side of a small hill overlooking a flat plain that once formed the bed of a lake. The lake was drained at the beginning of the 17th century. The village is located 3.5 km west of the Rhône, 4.5 km north of Villeneuve-lès-Avignon and 5 km south of Roquemaure.
Pujaut has a hot-summer Mediterranean climate (Köppen climate classification Csa). The average annual temperature in Pujaut is . The average annual rainfall is with November as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around . The highest temperature ever recorded in Pujaut was on 28 June 2019; the coldest temperature ever recorded was on 2 January 2002.