diff --git a/src/seedu/addressbook/commands/FindCommand.java b/src/seedu/addressbook/commands/FindCommand.java
index c8e9a380f..75a1602fd 100644
--- a/src/seedu/addressbook/commands/FindCommand.java
+++ b/src/seedu/addressbook/commands/FindCommand.java
@@ -2,6 +2,7 @@
 
 import seedu.addressbook.data.person.ReadOnlyPerson;
 
+import javax.print.DocFlavor;
 import java.util.*;
 
 /**
@@ -44,9 +45,17 @@ public CommandResult execute() {
      */
     private List<ReadOnlyPerson> getPersonsWithNameContainingAnyKeyword(Set<String> keywords) {
         final List<ReadOnlyPerson> matchedPersons = new ArrayList<>();
+
+        /* Converts all keywords into lowercase and puts them into a new ArrayList */
+        ArrayList<String> lowercaseKeywords = new ArrayList<String>();
+        for (String word : keywords ){
+            lowercaseKeywords.add(word.toLowerCase());
+        }
+
         for (ReadOnlyPerson person : addressBook.getAllPersons()) {
-            final Set<String> wordsInName = new HashSet<>(person.getName().getWordsInName());
-            if (!Collections.disjoint(wordsInName, keywords)) {
+            final Set<String> wordsInName = new HashSet<>(person.getName().getLowercaseWordsInName());
+
+            if (!Collections.disjoint(wordsInName, lowercaseKeywords)) {
                 matchedPersons.add(person);
             }
         }
diff --git a/src/seedu/addressbook/commands/HelpCommand.java b/src/seedu/addressbook/commands/HelpCommand.java
index ef2ed7d0e..0c8006167 100644
--- a/src/seedu/addressbook/commands/HelpCommand.java
+++ b/src/seedu/addressbook/commands/HelpCommand.java
@@ -16,6 +16,7 @@ public class HelpCommand extends Command {
             + "\n" + ClearCommand.MESSAGE_USAGE
             + "\n" + FindCommand.MESSAGE_USAGE
             + "\n" + ListCommand.MESSAGE_USAGE
+            + "\n" + SortCommand.MESSAGE_USAGE
             + "\n" + ViewCommand.MESSAGE_USAGE
             + "\n" + ViewAllCommand.MESSAGE_USAGE
             + "\n" + HelpCommand.MESSAGE_USAGE
diff --git a/src/seedu/addressbook/commands/SortCommand.java b/src/seedu/addressbook/commands/SortCommand.java
new file mode 100644
index 000000000..e06cf9cf3
--- /dev/null
+++ b/src/seedu/addressbook/commands/SortCommand.java
@@ -0,0 +1,29 @@
+package seedu.addressbook.commands;
+
+import seedu.addressbook.data.person.Person;
+import seedu.addressbook.data.person.ReadOnlyPerson;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Sorts all persons in the address book in alphabetic order to the user.
+ */
+public class SortCommand extends Command {
+
+    public static final String COMMAND_WORD = "sort";
+
+    public static final String MESSAGE_USAGE = COMMAND_WORD + ":\n"
+            + "Displays all persons in the address book in alphabetic order as a list with index numbers.\n\t"
+            + "Example: " + COMMAND_WORD;
+
+
+    @Override
+    public CommandResult execute() {
+
+        List<Person> SortAllPersons = addressBook.getAllPersons().SortAllPersons();
+
+        return new CommandResult(getMessageForPersonListShownSummary(SortAllPersons), SortAllPersons);
+
+    }
+}
diff --git a/src/seedu/addressbook/common/Messages.java b/src/seedu/addressbook/common/Messages.java
index 02cfe6155..6c77a664e 100644
--- a/src/seedu/addressbook/common/Messages.java
+++ b/src/seedu/addressbook/common/Messages.java
@@ -9,6 +9,7 @@ public class Messages {
     public static final String MESSAGE_INVALID_PERSON_DISPLAYED_INDEX = "The person index provided is invalid";
     public static final String MESSAGE_PERSON_NOT_IN_ADDRESSBOOK = "Person could not be found in address book";
     public static final String MESSAGE_PERSONS_LISTED_OVERVIEW = "%1$d persons listed!";
+    public static final String MESSAGE_PERSONS_SORTED_OVERVIEW = "%1$d persons sorted!";
     public static final String MESSAGE_PROGRAM_LAUNCH_ARGS_USAGE = "Launch command format: " +
             "java seedu.addressbook.Main [STORAGE_FILE_PATH]";
     public static final String MESSAGE_WELCOME = "Welcome to your Address Book!";
diff --git a/src/seedu/addressbook/data/person/Name.java b/src/seedu/addressbook/data/person/Name.java
index 487b7ad9c..754b5f639 100644
--- a/src/seedu/addressbook/data/person/Name.java
+++ b/src/seedu/addressbook/data/person/Name.java
@@ -2,6 +2,7 @@
 
 import seedu.addressbook.data.exception.IllegalValueException;
 
+import java.lang.reflect.Array;
 import java.util.Arrays;
 import java.util.List;
 
@@ -39,10 +40,15 @@ public static boolean isValidName(String test) {
 
     /**
      * Retrieves a listing of every word in the name, in order.
+     *
      */
-    public List<String> getWordsInName() {
-        return Arrays.asList(fullName.split("\\s+"));
-    }
+    public List<String> getWordsInName() { return Arrays.asList(fullName.split("\\s+")); }
+
+    /**
+     * Retrieves a listing of every word in the name, in order, in lowercase.
+     *
+     */
+    public List<String> getLowercaseWordsInName() { return Arrays.asList(fullName.toLowerCase().split("\\s+")); }
 
     @Override
     public String toString() {
diff --git a/src/seedu/addressbook/data/person/UniquePersonList.java b/src/seedu/addressbook/data/person/UniquePersonList.java
index c4848a1b4..2e481dd5f 100644
--- a/src/seedu/addressbook/data/person/UniquePersonList.java
+++ b/src/seedu/addressbook/data/person/UniquePersonList.java
@@ -82,6 +82,23 @@ public boolean contains(ReadOnlyPerson toCheck) {
         return internalList.contains(toCheck);
     }
 
+
+    /**
+     * Sorts all persons by their name, in alphabetic order a to z.
+     */
+    public List<Person> SortAllPersons() {
+
+        List<Person> SortedAllPersons = new ArrayList<>();
+
+        for (Person p: internalList){
+            SortedAllPersons.add(p);
+        }
+
+        SortedAllPersons.sort((person1, person2)->(person1.getName().fullName.compareToIgnoreCase(person2.getName().fullName)));
+
+        return SortedAllPersons;
+    }
+
     /**
      * Adds a person to the list.
      *
diff --git a/src/seedu/addressbook/parser/Parser.java b/src/seedu/addressbook/parser/Parser.java
index 58f4f7e6c..c4ed061c8 100644
--- a/src/seedu/addressbook/parser/Parser.java
+++ b/src/seedu/addressbook/parser/Parser.java
@@ -69,6 +69,9 @@ public Command parseCommand(String userInput) {
             case FindCommand.COMMAND_WORD:
                 return prepareFind(arguments);
 
+            case SortCommand.COMMAND_WORD:
+                return new SortCommand();
+
             case ListCommand.COMMAND_WORD:
                 return new ListCommand();