diff --git a/more/free-programming-cheatsheets.md b/more/free-programming-cheatsheets.md
index 11955f64..ea3cfa19 100644
--- a/more/free-programming-cheatsheets.md
+++ b/more/free-programming-cheatsheets.md
@@ -18,6 +18,7 @@
 * [MongoDB](#mongodb)
 * [Perl](#Perl)
 * [Python](#python)
+* [R](#R)
 * [Ruby](#ruby)
 * [SQL](#sql)
 
@@ -130,6 +131,11 @@
 * [Python WorldWide Cheatsheet](https://cheatography.com/davechild/cheat-sheets/python/) - Cheatography (Python)
 
 
+### R
+
+* [All RStudio cheatsheets resources](https://www.rstudio.com/resources/cheatsheets) - RStudio.com (HTML site with PDF links)
+
+
 ### Ruby
 
 * [Ruby Cheat Sheet](https://www.codeconquest.com/wp-content/uploads/Ruby-Cheat-Sheet-by-CodeConquestDOTcom.pdf) - CodeConquest.com (PDF)