F-2 Residency visa
Visa neededSpouses of Korean nationals or F-5 permanent residence visa holders, and refugees who gain permanent residence status in Korea, are described as eligible.

South Korea visas
Spouses of Korean nationals or F-5 permanent residence visa holders, and refugees who gain permanent residence status in Korea, are described as eligible.
Spouses of Korean nationals or F-5 permanent residence visa holders can use the F-2 residence route. It also covers refugees who gain permanent residence status in Korea.
Spouses of Korean nationals or F-5 permanent residence visa holders can use the F-2 residence route. It also covers refugees who gain permanent residence status in Korea.
Documents proving financial ability.; Documents proving the relationship..
Yes. Rules depend on the country that issued your passport. Open the South Korea visa page and choose your passport for a plain answer.
Yes. Officials can refuse a visa or entry, even after you apply. Give true answers, bring the documents asked for, and keep proof of your onward trip and money.
On South Korea's official immigration or foreign ministry website, or at its embassy. Rules change, so check close to your trip.
Often you cannot switch visa type inside the country. Ask the immigration office before you travel if you might need to.
Reviewed by @snuck