Raja Sir Annamalai Chettiar (1881) was a prominent Indian businessman, philanthropist, and educationalist hailing from the Nagarathar community of Tamil Nadu. He inherited a thriving banking and trading empire from his father, which he significantly expanded through ventures in textiles, insurance, and plantations. Beyond his entrepreneurial success, Annamalai Chettiar dedicated his life and wealth to public service, particularly in the field of education. He firmly believed in the power of education to uplift society and empower individuals. His most significant contribution was the establishment of Annamalai University in Chidambaram in 1929. This university, envisioned as a center for Tamil language, literature, and culture, quickly grew into a prestigious institution offering diverse academic programs.

His commitment to education extended beyond the university. He founded numerous schools and colleges in the Chettinad region, providing access to quality education for students from all backgrounds. He also generously supported existing educational institutions and research initiatives. Annamalai Chettiar was deeply involved in social reform movements, advocating for the abolition of caste discrimination and promoting equality. He championed the cause of Tamil language and culture, actively supporting literary and artistic endeavors. Recognizing his contributions to society, the British government conferred upon him the title of "Raja" in 1929 and later knighted him in 1936. Raja Sir Annamalai Chettiar's legacy continues to inspire generations through his remarkable blend of business acumen, philanthropic zeal, and commitment to social progress. He remains a revered figure in Tamil Nadu, remembered for his transformative impact on education and his unwavering dedication to the betterment of society.