diff --git a/share/completions/horcrux.fish b/share/completions/horcrux.fish
new file mode 100644
index 000000000..aa05e2d71
--- /dev/null
+++ b/share/completions/horcrux.fish
@@ -0,0 +1,8 @@
+set -l subcommands 'bind split'
+set -l subcommand_show_condition "not __fish_seen_subcommand_from $subcommands"
+set -l split_option_show_condition "__fish_seen_subcommand_from split"
+
+complete -c horcrux -a bind -n "$subcommand_show_condition" -f -d 'Bind directory'
+complete -c horcrux -a split -n "$subcommand_show_condition" -f -d 'Split file'
+complete -c horcrux -s n -r -n "$split_option_show_condition" -d 'Count of horcruxes to make'
+complete -c horcrux -s t -r -n "$split_option_show_condition" -d 'Count of horcruxes required to resurrect the original file'