However, he said that his is fully concentrated on matters in the Eredivisie, where Feyenoord are vying for the title.
"Arsenal's interest in me? I'm only thinking about Feyenoord now," he told Voetbal International.
"Much remains to be played this season before thinking about the transfer market."
Janmaat arrived at De Kuip on a free transfer from Heerenveen in the summer.