diff --git a/setup.cfg b/setup.cfg
index e5bed2d4d..6e570d7c1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -71,3 +71,9 @@ tag_svn_revision = 0
 [extras]
 burnin-network-kazoo =
     kazoo>=2.8.0 # Apache-2.0
+
+[codespell]
+quiet-level = 4
+# Words to ignore:
+# cna: Intel CNA card
+ignore-words-list = cna
diff --git a/tox.ini b/tox.ini
index 3f0beaf62..2823e0521 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,15 @@ passenv =
     no_proxy
     NO_PROXY
 
+[testenv:codespell]
+description =
+  Run codespell to check spelling
+deps = codespell
+# note(JayF): {posargs} lets us run `tox -ecodespell -- -w` to get codespell
+#             to correct spelling issues in our code it's aware of.
+commands =
+  codespell {posargs}
+
 [testenv:functional]
 # Define virtualenv directory, port to use for functional testing, and number
 # of seconds to wait for the agent to come alive during functional testing.