Ylläs, or Yllästunturi in Finnish, is a 718-metre (2,356 ft) high fell in the municipality of Kolari in Lapland Province of Finland.

Many companies in the vicinity of Ylläs have taken the fell's name as part of their own, such as the Ylläksen Nousu sports club in Äkäslompolo.

Ylläs is the highest fell in Finland where you can find skiing lifts.

Ylläs is also a popular tourist destination during the summer months with activities such as hiking, biking, fishing and canoeing.

On the summit of Ylläs, there is a 126.2 metres tall guyed mast used for FM- and TV-broadcasting.