Lika-Senj County (Croatian: [lǐːka sɛ̂ːɲ], Croatian: Ličko-senjska županija) is a county in Croatia that includes most of the Lika region and some northern coastline of the Adriatic near the town of Senj, including the northern part of the Pag island. Its center is Gospić.
The county is the least populated (45.439 in 2017) and among the least prosperous ones, though it is largest county in the country by area and includes the Plitvice Lakes National Park and Sjeverni (North) Velebit National Park, some of Croatia's major tourist attractions.