| Varaždin County | |
| Native Name: | Varaždinska županija |
| Native Name Lang: | hr |
| Settlement Type: | County |
| Subdivision Type: | Country |
| Subdivision Name: | Croatia |
| Seat Type: | County seat |
| Seat: | Varaždin |
| Leader Title: | Župan |
| Leader Name: | Anđelko Stričak |
| Leader Party: | HDZ |
| Leader Title1: | Assembly |
| Area Total Km2: | 1262 |
| Population As Of: | 2011 |
| Population Total: | 175,951 |
| Population Density Km2: | auto |
| Iso Code: | HR-05 |
| Blank Name Sec1: | HDI (2019) |
| Blank Info Sec1: | 0.834[1] · 6th |
| Area Code Type: | Area code |
| Area Code: | 042 |
Varaždin County (Croatian: Varaždinska [[županija]]) is a county in Hrvatsko Zagorje. It is named after its county seat, the city of Varaždin.
The county contains the city of Varaždin, the towns of: Ivanec, Ludbreg, Lepoglava, Novi Marof and Varaždinske Toplice, as well as 22 municipalities. It covers an area of and had a population of 175,951 in the 2011 census.
Varaždin County borders Slovenia to the northwest, Međimurje County to the north, Krapina-Zagorje County to the southwest, Zagreb County to the south, and Koprivnica-Križevci County to the southeast, with a small portion of the latter separating it from Hungary.
The Drava flows along the northern border of the county. There are three reservoirs on the river – Lake Ormož, Lake Varaždin and Lake Dubrava. All of them are partially located within the county. Another river flowing through the county is the Bednja, which also confluences with the Drava within the county. There are also the mountains of Ivanščica (also known as Ivančica) and Kalnik.
The highway A4 (part of Pan-European Corridor Vb and European route E65) passes through the county, connecting the Hungarian border (in the north) with Zagreb (in the south), and which has exits in Varaždin, Varaždinske Toplice and Novi Marof. In the longitudinal (east-west) direction, a magistral road passes along the Drava river, spanning from Maribor (Slovenia) to Osijek. Railways (not yet modernised) passing through the county lead to Zagreb in the south, Čakovec and Budapest (Hungary) in the north and Koprivnica in the east.
The economy of Varaždin County is focused on the manufacturing industry, particularly on the milk products processing, beverage production, meat-packing industry, clothing and textiles industry, metal manufacturing industry, leather footwear industry, manufacturing of high-quality wood furniture and other lumber products.
Varaždin county is divided into:
According to the 2011 census, Varaždin County has a population of 175,951. Ethnic Croats make up a majority with 97.9% of the population.