Samsung Notebook, formerly known as Samsung Sens, also marketed as Samsung Notebook Series (2011—2013), is a line of portable computers produced by Samsung Electronics. The Sens line was first launched in 1995 and lasted until 2013, exported overseas without the Sens branding, and replaced by Samsung Ativ. Ativ itself was also dropped in favor of Samsung Notebook. As of 2020, Samsung Notebook co-exists with the company's Galaxy Book line of laptops but is facing transition.

Samsung Galaxy Book is a line of Microsoft Windows based laptop computers produced by Samsung Electronics of South Korea. The Galaxy Book originated as tablet computers with detachable keyboards, however in 2020 it had evolved into becoming Samsung's main line of laptops, replacing the Samsung Notebook.