Kuwait's ambassador to Lebanon said two nationals of the Gulf Arab state had been kidnapped in the Bekaa region, Kuwait News Agency reported on Saturday.
"The efforts to free two abducted Kuwaitis in Lebanon are ongoing and the embassy will do its best to bring them back," ambassador Abdul-Aal al-Qana'ei was quoted as saying by KUNA.
He named the hostages as Issam al-Houti and his wife, whom he said were seized in Bekaa, and did not say which group was thought to be behind the abduction.
Lebanon's army on Friday said it was stepping up security after a spate of kidnappings this week which targeted foreigners including Syrians and Turks.
A Lebanese security source said Lebanese authorities were aware of the kidnapping of a Kuwaiti man, not his wife. "There are no apparent political reasons for his kidnapping," he said.
Saudi Arabia, Qatar and the United Arab Emirates this week advised their citizens to leave Lebanon because of spillover security risks from neighbouring Syria.