Rajadurai

{{Infobox given name

| name = Rajadurai
ராஜதுரை

| image =

| image_size =

| caption =

| pronunciation = Rājaturai

| gender = Male

| meaning = Royal chief

| region = Southern India
North-eastern Sri Lanka

| language = Tamil

| origin =

| alternative spelling =

| nickname =

| variant forms =

| related names =

| name day =

| derived =

| languageorigin =

| variant = Rajathurai

| shortform =

| petname =

| cognate =

| derivative =

| seealso =

| popularity =

| footnotes =

}}

Rajadurai or Rajathurai ({{langx|ta|ராஜதுரை}}) is a Tamil male given name. Due to the Tamil tradition of using patronymic surnames it may also be a surname for males and females.