ELN

ELN may refer to:

Science

• Electronic laboratory notebook, a software program or package designed to replace more traditional paper laboratory notebooks
• ELN gene, which encodes elastin in humans

Commercial software

• Electronic Lab Notebook, a commercial electronic laboratory notebook developed by U.S. company BiochemLab Solutions
• Electronic Lab Notebook, a commercial electronic laboratory notebook developed by Indian company Evolvus Pvt. Ltd.
• Electronic Lab Notebook, a commercial electronic laboratory notebook developed by Chinese company Shanghai Holo Sci-infor Co., Ltd.

Open-source software

• Electronic Laboratory Notebook, a free open-source electronic laboratory notebook that was developed by Pacific Northwest National Laboratory (PNNL) until 2008