Rossburg may refer to:

• Rossburg, Indiana, an unincorporated community
• Rossburg, Minnesota, an unincorporated community
• Rossburg, Ohio, a village in Darke County
• Rossburg, Warren County, Ohio, an unincorporated community

• Bayers Lake Business Park
• Bayer's Lake Industrial Park
• Bayer's Lake, Nova Scotia
• Bayer test
• Bayer tree
• Bayer Uerdingen
• Bayes estimation
• Bayes estimator
• Bayes formula
• Bayesian average
• Bayesian belief net
• Bayesian decision theory
• Bayesian estimate
• Bayesian estimation
• Bayesian estimator
• Bayesian filtering
• Bayesian inference in phylogeny
• Bayesian Information Criterion
• Bayesian Linear Regression
• Bayesian linear regression
• Bayesian method
• Bayesian methods
• Bayesian modeling
• Bayesian model selection
• Bayesian MultiVariate Linear Regression