No, Spanish Sign Language (Lengua de Signos Española, LSE) is not the same as American Sign Language (ASL). They are distinct languages with their own grammar and structure, reflecting the cultures and communities of the deaf people who use them.
Spanish Sign Language is primarily used in Spain and is influenced by Spanish spoken language and culture. In contrast, ASL is predominantly used in the United States and parts of Canada and has its roots in French Sign Language, along with influences from local sign languages.
While both languages serve the same purpose of communication within the deaf community, the signs, syntax, and even social norms surrounding their use can differ significantly. Therefore, a speaker of one language would not automatically understand the other without specific study and practice.