Jordan
noun: Jordanian(s)
adjective: Jordanian

Kazakhstan
noun: Kazakhstani(s)
adjective: Kazakhstani

Kenya
noun: Kenyan(s)
adjective: Kenyan

Kiribati
noun: I-Kiribati (singular and plural)
adjective: I-Kiribati

Korea, North
noun: Korean(s)
adjective: Korean

Korea, South
noun: Korean(s)
adjective: Korean

Kosovo
noun: Kosovar (Albanian), Kosovac (Serbian)
adjective: Kosovar (Albanian), Kosovski (Serbian)
note: Kosovan, a neutral term, is sometimes also used as a noun or
adjective

Kuwait
noun: Kuwaiti(s)
adjective: Kuwaiti

Kyrgyzstan
noun: Kyrgyzstani(s)
adjective: Kyrgyzstani

Laos
noun: Lao(s) or Laotian(s)
adjective: Lao or Laotian