The disclosure relates to a new and distinct variety of lettuce variety NUN 06132 LTL as well as seeds and plants and heads or leaves thereof. NUN 06132 LTL is a Romaine long day variety for the Coastal Salinas main season comprising resistance Downy Mildew (Bremia lactucae) isolates B1:16-35 EU, Nasonovia ribisnigri Biotype Nr:0, Lettuce Necrotic Spot Virus (LNSV), and Rhizomonas subefaciens (Corky Root).