Kanadukathan is a Town Panchayat in the Karaikudi taluk of the Indian state of Tamil Nadu.

In 2001, Kanadukathan had a population of 4,795 people. Of these, 10% were under 6 years of age. The town is evenly split between males and females. Kanadukathan has a literacy rate of 74%, higher than the national average of 63.4%. According to the Indian census, the male literacy rate is 80% and the female literacy rate is 67%.^{[citation needed]}

Kanadukathan is most famous for its Chettinad cuisine and for the architecture of its houses, whose main entrances are shaped to resemble those of temples.

• Festival of the Goddess of Beauty (Tamil: பொன்னழகி அம்மன் திருவிழா) is a 10-day festival held in May every year.
• Hari Poojai is held in May every year.
• Sivarathiri is held in March. During Shivaratri, people take kavadi from Pazhaiyur (old Kanadukathan) to the Solai Andavar Temple (approximately 4 km).
• festival of the nagamuthu mariamman temple chiththira full moon day function is a 10 days

festival held in April–May every year

• M.ct.M.Chidambaram Chettiyar Higher Secondary School [ISO 9001 Certified]
• M.ct.M.Chidambaram Chettiyar Elementary School
• CV.CT.V.Meenakshi Achi Matriculation School
• Annamalai Polytechnic College

• Pillayarpatti Kovil—religious site 1,600 years old^[1] Hindu Temple (16 km)
• Kundrakudi Murugan Kovil—religious site (Hill Temple), Hindu Temple (14 km)
• Thirumayam Fort — historical site (10 km)
• Chettinad Palace — It was designed by Annamalai Chettiyar with European influence in its architecture.^[2]
• Island Bungalow — heritage site (2 km)
• CVCT CVRM House - Unique Historical Chettinad Twin Houses
• MJR VELAN AGENCY
• Chettinadu Mansion( S A R M HOUSE)

• By road: located on Trichy – Rameshwaram National Highway [NH-210].

• 14 km from Karaikudi
• 32 km from Pudukkottai
• 82 km from Trichy
• 90 km from Madurai
• 159 km from Rameshwaram
• 287 km from Coimbatore
• 405 km from Chennai

• By train: Chettinad station is located on the Trichy – Rameswhwaram line. The following expresses stop at this station.

• The Chennai – Rameshwaram express (16701)
• Rameshwaram – Chennai express (16702)
• Trichy- Rameshwaram, Trichy-Karaikudi, Trichy-Manamadurai and Manamadurai-Mannargudi Passenger Trains

Requests have been made to operate a daily overnight train between Coimbatore and Rameswaram via Kanadukathan (CTND).