Currently not out of the box. Two approaches:
- Via webbrowser (but then Video accelaration is missing) check this [Testing] X11(simple desktop) + Chromium(web browser) in a simple installer for Stretch
- Via Kodi18 which is in testing phase (but currently netflix suport not integrated) check this [TESTING] Kodi 18 (Leia) builds for Raspberry Pi
Also just typing netflix in search (on top right) would have got you this