diff --git a/layouts/partials/templates/opengraph.html b/layouts/partials/templates/opengraph.html
index 631dda14..b7fe84c7 100644
--- a/layouts/partials/templates/opengraph.html
+++ b/layouts/partials/templates/opengraph.html
@@ -50,5 +50,16 @@
 {{ end }}{{ end }}
 {{- end }}
 
+{{- /* Deprecate site.Social.facebook_admin in favor of site.Params.social.facebook_admin */}}
+{{- $facebookAdmin := "" }}
+{{- with site.Params.social.facebook_admin }}
+  {{- $facebookAdmin = . }}
+{{- else }}
+  {{- with site.Social.facebook_admin }}
+    {{- $facebookAdmin = . }}
+    {{- warnf "The social key in site configuration is deprecated. Use params.social.facebook_admin instead." }}
+  {{- end }}
+{{- end }}
+
 {{- /* Facebook Page Admin ID for Domain Insights */}}
-{{- with site.Social.facebook_admin }}<meta property="fb:admins" content="{{ . }}" />{{ end }}
+{{ with $facebookAdmin }}<meta property="fb:admins" content="{{ . }}" />{{ end }}
diff --git a/layouts/partials/templates/twitter_cards.html b/layouts/partials/templates/twitter_cards.html
index bd46e376..bdb59239 100644
--- a/layouts/partials/templates/twitter_cards.html
+++ b/layouts/partials/templates/twitter_cards.html
@@ -28,6 +28,17 @@
 {{- end }}
 <meta name="twitter:title" content="{{ .Title }}"/>
 <meta name="twitter:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end -}}"/>
-{{ with site.Social.twitter -}}
+{{- /* Deprecate site.Social.twitter in favor of site.Params.social.twitter */}}
+{{- $twitterSite := "" }}
+{{- with site.Params.social.twitter }}
+  {{- $twitterSite = . }}
+{{- else }}
+  {{- with site.Social.twitter }}
+    {{- $twitterSite = . }}
+    {{- warnf "The social key in site configuration is deprecated. Use params.social.twitter instead." }}
+  {{- end }}
+{{- end }}
+
+{{- with $twitterSite }}
 <meta name="twitter:site" content="@{{ . }}"/>
-{{ end -}}
+{{- end }}