diff --git a/aegisub/src/ass_file.cpp b/aegisub/src/ass_file.cpp
index a78e5d8d3..8d4944138 100644
--- a/aegisub/src/ass_file.cpp
+++ b/aegisub/src/ass_file.cpp
@@ -730,8 +730,8 @@ bool AssFile::CompEffect(const AssDialogue* lft, const AssDialogue* rgt) {
 	return lft->Effect < rgt->Effect;
 }
 
-void AssFile::Sort(CompFunc comp) {
-	Sort(Line, comp);
+void AssFile::Sort(CompFunc comp, std::set<AssDialogue*> const& limit) {
+	Sort(Line, comp, limit);
 }
 namespace {
 	struct AssEntryComp : public std::binary_function<const AssEntry*, const AssEntry*, bool> {
@@ -740,15 +740,20 @@ namespace {
 			return comp(static_cast<const AssDialogue*>(a), static_cast<const AssDialogue*>(b));
 		}
 	};
+
+	inline bool is_dialogue(AssEntry *e, std::set<AssDialogue*> const& limit) {
+		AssDialogue *d = dynamic_cast<AssDialogue*>(e);
+		return d && (limit.empty() || limit.count(d));
+	}
 }
-void AssFile::Sort(std::list<AssEntry*> &lst, CompFunc comp) {
+void AssFile::Sort(std::list<AssEntry*> &lst, CompFunc comp, std::set<AssDialogue*> const& limit) {
 	AssEntryComp compE;
 	compE.comp = comp;
 	// Sort each block of AssDialogues separately, leaving everything else untouched
 	for (entryIter begin = lst.begin(); begin != lst.end(); ++begin) {
-		if (!dynamic_cast<AssDialogue*>(*begin)) continue;
+		if (!is_dialogue(*begin, limit)) continue;
 		entryIter end = begin;
-		while (end != lst.end() && dynamic_cast<AssDialogue*>(*end)) ++end;
+		while (end != lst.end() && is_dialogue(*end, limit)) ++end;
 
 		// used instead of std::list::sort for partial list sorting
 		std::list<AssEntry*> tmp;
diff --git a/aegisub/src/ass_file.h b/aegisub/src/ass_file.h
index 53b179f6d..e39829fb4 100644
--- a/aegisub/src/ass_file.h
+++ b/aegisub/src/ass_file.h
@@ -40,6 +40,7 @@
 #ifndef AGI_PRE
 #include <fstream>
 #include <list>
+#include <set>
 #include <vector>
 
 #include <wx/arrstr.h>
@@ -241,10 +242,12 @@ public:
 
 	/// @brief Sort the dialogue lines in this file
 	/// @param comp Comparison function to use. Defaults to sorting by start time.
-	void Sort(CompFunc comp = CompStart);
+	/// @param limit If non-empty, only lines in this set are sorted
+	void Sort(CompFunc comp = CompStart, std::set<AssDialogue*> const& limit = std::set<AssDialogue*>());
 	/// @brief Sort the dialogue lines in the given list
 	/// @param comp Comparison function to use. Defaults to sorting by start time.
-	static void Sort(std::list<AssEntry*>& lst, CompFunc comp = CompStart);
+	/// @param limit If non-empty, only lines in this set are sorted
+	static void Sort(std::list<AssEntry*>& lst, CompFunc comp = CompStart, std::set<AssDialogue*> const& limit = std::set<AssDialogue*>());
 	/// @brief Sort the dialogue lines in the given list
 	/// @param comp Comparison function to use. Defaults to sorting by start time.
 	static void Sort(std::list<AssDialogue*>& lst, CompFunc comp = CompStart);
diff --git a/aegisub/src/command/grid.cpp b/aegisub/src/command/grid.cpp
index e555d5181..c35c4b097 100644
--- a/aegisub/src/command/grid.cpp
+++ b/aegisub/src/command/grid.cpp
@@ -114,6 +114,27 @@ struct grid_sort_actor : public Command {
 	}
 };
 
+struct validate_sel_multiple : public Command {
+	CMD_TYPE(COMMAND_VALIDATE)
+
+	bool Validate(const agi::Context *c) {
+		return c->selectionController->GetSelectedSet().size() > 1;
+	}
+};
+
+/// Sort all selected subtitles by their actor names
+struct grid_sort_actor_selected : public validate_sel_multiple {
+	CMD_NAME("grid/sort/actor/selected")
+	STR_MENU("&Actor Name")
+	STR_DISP("Actor Name")
+	STR_HELP("Sort selected subtitles by their actor names")
+
+	void operator()(agi::Context *c) {
+		c->ass->Sort(AssFile::CompActor, c->selectionController->GetSelectedSet());
+		c->ass->Commit(_("sort"), AssFile::COMMIT_ORDER);
+	}
+};
+
 /// Sort all subtitles by their effects
 struct grid_sort_effect : public Command {
 	CMD_NAME("grid/sort/effect")
@@ -127,6 +148,19 @@ struct grid_sort_effect : public Command {
 	}
 };
 
+/// Sort all selected subtitles by their effects
+struct grid_sort_effect_selected : public validate_sel_multiple {
+	CMD_NAME("grid/sort/effect/selected")
+	STR_MENU("&Effect")
+	STR_DISP("Effect")
+	STR_HELP("Sort selected subtitles by their effects")
+
+	void operator()(agi::Context *c) {
+		c->ass->Sort(AssFile::CompEffect, c->selectionController->GetSelectedSet());
+		c->ass->Commit(_("sort"), AssFile::COMMIT_ORDER);
+	}
+};
+
 /// Sort all subtitles by their end times.
 struct grid_sort_end : public Command {
 	CMD_NAME("grid/sort/end")
@@ -140,6 +174,19 @@ struct grid_sort_end : public Command {
 	}
 };
 
+/// Sort all selected subtitles by their end times.
+struct grid_sort_end_selected : public validate_sel_multiple {
+	CMD_NAME("grid/sort/end/selected")
+	STR_MENU("&End Time")
+	STR_DISP("End Time")
+	STR_HELP("Sort selected subtitles by their end times")
+
+	void operator()(agi::Context *c) {
+		c->ass->Sort(AssFile::CompEnd, c->selectionController->GetSelectedSet());
+		c->ass->Commit(_("sort"), AssFile::COMMIT_ORDER);
+	}
+};
+
 /// Sort all subtitles by their start times.
 struct grid_sort_start : public Command {
 	CMD_NAME("grid/sort/start")
@@ -153,6 +200,19 @@ struct grid_sort_start : public Command {
 	}
 };
 
+/// Sort all selected subtitles by their start times.
+struct grid_sort_start_selected : public validate_sel_multiple {
+	CMD_NAME("grid/sort/start/selected")
+	STR_MENU("&Start Time")
+	STR_DISP("Start Time")
+	STR_HELP("Sort selected subtitles by their start times")
+
+	void operator()(agi::Context *c) {
+		c->ass->Sort(AssFile::CompStart, c->selectionController->GetSelectedSet());
+		c->ass->Commit(_("sort"), AssFile::COMMIT_ORDER);
+	}
+};
+
 /// Sort all subtitles by their style names
 struct grid_sort_style : public Command {
 	CMD_NAME("grid/sort/style")
@@ -166,6 +226,19 @@ struct grid_sort_style : public Command {
 	}
 };
 
+/// Sort all selected subtitles by their style names
+struct grid_sort_style_selected : public validate_sel_multiple {
+	CMD_NAME("grid/sort/style/selected")
+	STR_MENU("St&yle Name")
+	STR_DISP("Style Name")
+	STR_HELP("Sort selected subtitles by their style names")
+
+	void operator()(agi::Context *c) {
+		c->ass->Sort(AssFile::CompStyle, c->selectionController->GetSelectedSet());
+		c->ass->Commit(_("sort"), AssFile::COMMIT_ORDER);
+	}
+};
+
 /// Cycle through tag hiding modes.
 struct grid_tag_cycle_hiding : public Command {
 	CMD_NAME("grid/tag/cycle_hiding")
@@ -340,6 +413,11 @@ namespace cmd {
 		reg(new grid_sort_end);
 		reg(new grid_sort_start);
 		reg(new grid_sort_style);
+		reg(new grid_sort_actor_selected);
+		reg(new grid_sort_effect_selected);
+		reg(new grid_sort_end_selected);
+		reg(new grid_sort_start_selected);
+		reg(new grid_sort_style_selected);
 		reg(new grid_move_down);
 		reg(new grid_move_up);
 		reg(new grid_swap);
diff --git a/aegisub/src/libresrc/default_menu.json b/aegisub/src/libresrc/default_menu.json
index 015ae646c..22f3976fa 100644
--- a/aegisub/src/libresrc/default_menu.json
+++ b/aegisub/src/libresrc/default_menu.json
@@ -83,7 +83,8 @@
         { "command" : "edit/line/recombine" },
         { "command" : "edit/line/split/by_karaoke" },
         {},
-        { "submenu" : "main/subtitle/sort lines", "text" : "Sort Lines" },
+        { "submenu" : "main/subtitle/sort lines", "text" : "Sort All Lines" },
+        { "submenu" : "main/subtitle/sort selected lines", "text" : "Sort Selected Lines" },
         { "command" : "grid/swap" },
         { "command" : "tool/line/select" },
         { "command" : "subtitle/select/all" }
@@ -106,6 +107,13 @@
         { "command" : "grid/sort/actor" },
         { "command" : "grid/sort/effect" }
     ],
+    "main/subtitle/sort selected lines" : [
+        { "command" : "grid/sort/start/selected" },
+        { "command" : "grid/sort/end/selected" },
+        { "command" : "grid/sort/style/selected" },
+        { "command" : "grid/sort/actor/selected" },
+        { "command" : "grid/sort/effect/selected" }
+    ],
     "main/timing" : [
         { "command" : "time/shift" },
         { "command" : "tool/time/postprocess" },