List of Heads of State in 342 - 343 - List of Heads of State in 344 - List of Heads of State by Year
America
- Kingdom of Mutul (Tikal) - Kinich-Muvan-Khol I , king ( 317 - 359 )
Asia
- Great Armenia - Tiran , Tsar ( 339 - 350 )
- Hassanides -
- Jabala II ibn al-Harith II , king ( 327 - 361 )
- Amr II ibn al-Harit II , king ( 330 - 356 )
- Dhanyavadi - Thuria Mandala , King ( 313 - 375 )
- Iberia - Mirian III , King ( 284 - 361 )
- India -
- Wakataka - Rudrasena I , Emperor ( 330 - 355 )
- Gupta - Samudragupta , Maharaja ( 335 - 380 )
- Western Kshatraps - Rudrasimha II , Mahakshatrap ( 304 - 348 )
- Pallavas (Anandadesh) - Simhavarman I , Maharaja ( 315 - 345 )
- China ( Period of Sixteen Barbarian States ) -
- Eastern Jin - Kan-di (Sima Yue), Emperor ( 342 - 344 )
- Dai - Toba Sheigian , King ( 338 - 377 )
- Early Liang - Zhang Jun , Prince ( 324 - 346 )
- Early Yan - Muzhun Huan , Emperor ( 337 - 348 )
- Late Zhao - Shi Hu , Wang ( 334 - 349 )
- Cheng -
- Lee Shaw , Emperor ( 338 - 343 )
- Li Shi , Emperor ( 343 - 347 )
- Korea ( Three States Period):
- Kai Confederation - Kogil , Van ( 291 - 346 )
- Goguryeo - Kogugwon , Thewan ( 331 - 371 )
- Baekje - Piryu , King ( 304 - 344 )
- Silla - Hirhe , Isagym ( 310 - 356 )
- Kushan kingdom - Shaka I , king ( 325 - 345 )
- Lahmids (Hira) - Amr II ibn Imru ul-Qays I , king ( 328 - 363 )
- Pagan - Pike Tinley , King ( 324 - 344 )
- Persia (Sassanids) - Shapur II , Shahinshah ( 309 - 379 )
- Rajarat - Buddhadasa King ( 341 - 370 )
- Togon - Muyun Qiyan , ruler ( 329 - 351 )
- Tampa - Fan Wen , Prince ( 336 - 349 )
- Himyar - Malkikarib Yikhan'im I , king ( 340 - 345 )
- Japan - Nintoku Emperor ( 313 - 399 )
Europe
- Dumnonia - Conan Meriadoc , ruler ( 340 - 387 )
- Ireland - Muyredah Tirech , High King ( 326 - 356 )
- Holy See - Julius I , Pope ( 337 - 352 )
- Roman Empire -
- Constantius II , Roman Emperor (East) ( 337 - 361 )
- Constant , Roman Emperor (West) ( 337 - 350 )
Constantius II
337-361
Roman EmperorConstants
337-350
Roman EmperorSamudragupta
335-380
Maharaja GuptaMirian III
284-361
King of IberiaNintoku
313-399
Japanese emperor