diff --git a/topics/riscos/index.md b/topics/riscos/index.md
new file mode 100644
index 00000000000..ea6e9500992
--- /dev/null
+++ b/topics/riscos/index.md
@@ -0,0 +1,15 @@
+---
+display_name: RISC OS
+aliases: risc-os
+related: arm, bbc-basic
+logo: riscos.png
+released: September 1987
+short_description: RISC OS is the first ARM operating system.
+topic: riscos
+url: https://riscosopen.org/
+wikipedia_url: https://en.wikipedia.org/wiki/RISC_OS
+created_by: Acorn Computers Ltd
+---
+RISC OS is an operating system created by Acorn computers for the first ARM processors.
+It is a modular system, using a cooperative multitasking model. It is used by hobbyists
+on hardware such as the Raspberry Pi and Pinebook.
diff --git a/topics/riscos/riscos.png b/topics/riscos/riscos.png
new file mode 100644
index 00000000000..bdf94f8f78f
Binary files /dev/null and b/topics/riscos/riscos.png differ